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102057046437 = 334019015479
BaseRepresentation
bin101111100001100010…
…0101111000110100101
3100202102112100010110210
41133003010233012211
53133003100441222
6114515004410033
710242032403303
oct1370304570645
9322375303423
10102057046437
113a3115a6585
1217942846919
139815a3b598
144d22329273
1529c4b19d0c
hex17c312f1a5

102057046437 has 4 divisors (see below), whose sum is σ = 136076061920. Its totient is φ = 68038030956.

The previous prime is 102057046423. The next prime is 102057046453. The reversal of 102057046437 is 734640750201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 102057046437 - 232 = 97762079141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102057046395 and 102057046404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102057046417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17009507737 + ... + 17009507742.

It is an arithmetic number, because the mean of its divisors is an integer number (34019015480).

Almost surely, 2102057046437 is an apocalyptic number.

It is an amenable number.

102057046437 is a deficient number, since it is larger than the sum of its proper divisors (34019015483).

102057046437 is an equidigital number, since it uses as much as digits as its factorization.

102057046437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34019015482.

The product of its (nonzero) digits is 141120, while the sum is 39.

Adding to 102057046437 its reverse (734640750201), we get a palindrome (836697796638).

The spelling of 102057046437 in words is "one hundred two billion, fifty-seven million, forty-six thousand, four hundred thirty-seven".

Divisors: 1 3 34019015479 102057046437