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190012698731 is a prime number
BaseRepresentation
bin1011000011110110100…
…0111011000001101011
3200011110022102012202102
42300331220323001223
511103121222324411
6223142435324015
716504456201412
oct2607550730153
9604408365672
10190012698731
117364723aa09
12309aaa5060b
1314bc2159a5b
1492a7906479
154e21773d3b
hex2c3da3b06b

190012698731 has 2 divisors, whose sum is σ = 190012698732. Its totient is φ = 190012698730.

The previous prime is 190012698671. The next prime is 190012698737. The reversal of 190012698731 is 137896210091.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 190012698731 - 230 = 188938956907 is a prime.

It is a super-2 number, since 2×1900126987312 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (190012698737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95006349365 + 95006349366.

It is an arithmetic number, because the mean of its divisors is an integer number (95006349366).

Almost surely, 2190012698731 is an apocalyptic number.

190012698731 is a deficient number, since it is larger than the sum of its proper divisors (1).

190012698731 is an equidigital number, since it uses as much as digits as its factorization.

190012698731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 47.

The spelling of 190012698731 in words is "one hundred ninety billion, twelve million, six hundred ninety-eight thousand, seven hundred thirty-one".