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157005550201 is a prime number
BaseRepresentation
bin1001001000111001000…
…0101001001001111001
3120000020222122100002211
42102032100221021321
510033021410101301
6200043301455121
714225513104603
oct2221620511171
9500228570084
10157005550201
11606495a3765
1226518a114a1
1311a61a79736
147855d54173
15413db43051
hex248e429279

157005550201 has 2 divisors, whose sum is σ = 157005550202. Its totient is φ = 157005550200.

The previous prime is 157005550193. The next prime is 157005550211. The reversal of 157005550201 is 102055500751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128324434176 + 28681116025 = 358224^2 + 169355^2 .

It is a cyclic number.

It is not a de Polignac number, because 157005550201 - 23 = 157005550193 is a prime.

It is a super-2 number, since 2×1570055502012 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (157005550211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78502775100 + 78502775101.

It is an arithmetic number, because the mean of its divisors is an integer number (78502775101).

Almost surely, 2157005550201 is an apocalyptic number.

It is an amenable number.

157005550201 is a deficient number, since it is larger than the sum of its proper divisors (1).

157005550201 is an equidigital number, since it uses as much as digits as its factorization.

157005550201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8750, while the sum is 31.

The spelling of 157005550201 in words is "one hundred fifty-seven billion, five million, five hundred fifty thousand, two hundred one".