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30137743800 = 23325232535147
BaseRepresentation
bin11100000100010110…
…010111100110111000
32212210100111000100100
4130010112113212320
5443210230300200
621502312235400
72114561411163
oct340426274670
985710430310
1030137743800
1111865a74a8a
125a1109bb60
132ac3a924c8
14165c862ada
15bb5c86d00
hex7045979b8

30137743800 has 144 divisors (see below), whose sum is σ = 101263373640. Its totient is φ = 8032700160.

The previous prime is 30137743793. The next prime is 30137743807. The reversal of 30137743800 is 834773103.

It is an interprime number because it is at equal distance from previous prime (30137743793) and next prime (30137743807).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30137743807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5852827 + ... + 5857973.

Almost surely, 230137743800 is an apocalyptic number.

30137743800 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30137743800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50631686820).

30137743800 is an abundant number, since it is smaller than the sum of its proper divisors (71125629840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30137743800 is a wasteful number, since it uses less digits than its factorization.

30137743800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8422 (or 8410 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The spelling of 30137743800 in words is "thirty billion, one hundred thirty-seven million, seven hundred forty-three thousand, eight hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 30 36 40 45 50 60 72 75 90 100 120 150 180 200 225 300 360 450 600 900 1800 3253 5147 6506 9759 10294 13012 15441 16265 19518 20588 25735 26024 29277 30882 32530 39036 41176 46323 48795 51470 58554 61764 65060 77205 78072 81325 92646 97590 102940 117108 123528 128675 130120 146385 154410 162650 185292 195180 205880 231615 234216 243975 257350 292770 308820 325300 370584 386025 390360 463230 487950 514700 585540 617640 650600 731925 772050 926460 975900 1029400 1158075 1171080 1463850 1544100 1852920 1951800 2316150 2927700 3088200 4632300 5855400 9264600 16743191 33486382 50229573 66972764 83715955 100459146 133945528 150688719 167431910 200918292 251147865 301377438 334863820 401836584 418579775 502295730 602754876 669727640 753443595 837159550 1004591460 1205509752 1255739325 1506887190 1674319100 2009182920 2511478650 3013774380 3348638200 3767217975 5022957300 6027548760 7534435950 10045914600 15068871900 30137743800