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331828734100 = 225217313623621
BaseRepresentation
bin1001101010000101000…
…10001010100010010100
31011201111201022020200211
410311002202022202110
520414041123442400
6412235013215204
732655011462443
oct4650242124224
91151451266624
10331828734100
11118800740326
1254388931504
13253a3034796
14120bc3c2d5a
158971b19dba
hex4d4288a894

331828734100 has 72 divisors (see below), whose sum is σ = 764862405048. Its totient is φ = 124524441600.

The previous prime is 331828734077. The next prime is 331828734109. The reversal of 331828734100 is 1437828133.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 64351512976 + 267477221124 = 253676^2 + 517182^2 .

It is a super-2 number, since 2×3318287341002 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331828734109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 220290 + ... + 843910.

It is an arithmetic number, because the mean of its divisors is an integer number (10623088959).

Almost surely, 2331828734100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331828734100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (382431202524).

331828734100 is an abundant number, since it is smaller than the sum of its proper divisors (433033670948).

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

331828734100 is a wasteful number, since it uses less digits than its factorization.

331828734100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623965 (or 623958 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 331828734100 in words is "three hundred thirty-one billion, eight hundred twenty-eight million, seven hundred thirty-four thousand, one hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 85 100 170 313 340 425 626 850 1252 1565 1700 3130 5321 6260 7825 10642 15650 21284 26605 31300 53210 106420 133025 266050 532100 623621 1247242 2494484 3118105 6236210 10601557 12472420 15590525 21203114 31181050 42406228 53007785 62362100 106015570 195193373 212031140 265038925 390386746 530077850 780773492 975966865 1060155700 1951933730 3318287341 3903867460 4879834325 6636574682 9759668650 13273149364 16591436705 19519337300 33182873410 66365746820 82957183525 165914367050 331828734100