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10161749197 = 97332931469
BaseRepresentation
bin10010111011010111…
…11111110011001101
3222020012010100022101
421131223333303031
5131302401433242
64400201315101
7506550304645
oct113553776315
928205110271
1010161749197
114345051636
121b77195a91
13c5c371162
146c5829525
153e71ad9b7
hex25daffccd

10161749197 has 8 divisors (see below), whose sum is σ = 10269919800. Its totient is φ = 10053648384.

The previous prime is 10161749159. The next prime is 10161749231. The reversal of 10161749197 is 79194716101.

It can be written as a sum of positive squares in 4 ways, for example, as 880546276 + 9281202921 = 29674^2 + 96339^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10161749197 - 211 = 10161747149 is a prime.

It is a super-2 number, since 2×101617491972 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10161749107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307179 + ... + 338647.

It is an arithmetic number, because the mean of its divisors is an integer number (1283739975).

Almost surely, 210161749197 is an apocalyptic number.

It is an amenable number.

10161749197 is a deficient number, since it is larger than the sum of its proper divisors (108170603).

10161749197 is an equidigital number, since it uses as much as digits as its factorization.

10161749197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34895.

The product of its (nonzero) digits is 95256, while the sum is 46.

The spelling of 10161749197 in words is "ten billion, one hundred sixty-one million, seven hundred forty-nine thousand, one hundred ninety-seven".

Divisors: 1 97 3329 31469 322913 3052493 104760301 10161749197