Search a number
-
+
18743629538030 = 255356362815877
BaseRepresentation
bin1000100001100000101110…
…11000010110001011101110
32110100212120202210020002112
410100300113120112023232
54424043423130204110
6103510412102524022
73643116420215435
oct420602730261356
973325522706075
1018743629538030
115a771462575a1
122128783736612
13a5c6941c18b7
1448b2a731c11c
152278713e1405
hex110c176162ee

18743629538030 has 32 divisors (see below), whose sum is σ = 34436166846624. Its totient is φ = 7342924640896.

The previous prime is 18743629538027. The next prime is 18743629538059. The reversal of 18743629538030 is 3083592634781.

It is a happy number.

It is a super-2 number, since 2×187436295380302 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31109549 + ... + 31706328.

It is an arithmetic number, because the mean of its divisors is an integer number (1076130213957).

It is a 1-persistent number, because it is pandigital, but 2⋅18743629538030 = 37487259076060 is not.

Almost surely, 218743629538030 is an apocalyptic number.

18743629538030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18743629538030 is a deficient number, since it is larger than the sum of its proper divisors (15692537308594).

18743629538030 is a wasteful number, since it uses less digits than its factorization.

18743629538030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62816500.

The product of its (nonzero) digits is 26127360, while the sum is 59.

The spelling of 18743629538030 in words is "eighteen trillion, seven hundred forty-three billion, six hundred twenty-nine million, five hundred thirty-eight thousand, thirty".

Divisors: 1 2 5 10 53 106 265 530 563 1126 2815 5630 29839 59678 149195 298390 62815877 125631754 314079385 628158770 3329241481 6658482962 16646207405 33292414810 35365338751 70730677502 176826693755 353653387510 1874362953803 3748725907606 9371814769015 18743629538030