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157053623623898 = 278526811811949
BaseRepresentation
bin100011101101011011100101…
…011100100110000011011010
3202121002011212001202002221012
4203231123211130212003122
5131041131310121431043
61314005234430013522
745036515126252531
oct4355334534460332
9677064761662835
10157053623623898
1146051082179951
12157460649472a2
1369831298960c1
142aad616321318
1513254d269ea18
hex8ed6e57260da

157053623623898 has 4 divisors (see below), whose sum is σ = 235580435435850. Its totient is φ = 78526811811948.

The previous prime is 157053623623877. The next prime is 157053623623987. The reversal of 157053623623898 is 898326326350751.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 114951784504249 + 42101839119649 = 10721557^2 + 6488593^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39263405905973 + ... + 39263405905976.

Almost surely, 2157053623623898 is an apocalyptic number.

157053623623898 is a deficient number, since it is larger than the sum of its proper divisors (78526811811952).

157053623623898 is an equidigital number, since it uses as much as digits as its factorization.

157053623623898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78526811811951.

The product of its (nonzero) digits is 391910400, while the sum is 68.

The spelling of 157053623623898 in words is "one hundred fifty-seven trillion, fifty-three billion, six hundred twenty-three million, six hundred twenty-three thousand, eight hundred ninety-eight".

Divisors: 1 2 78526811811949 157053623623898