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197074662152 = 2324634332769
BaseRepresentation
bin1011011110001010010…
…0001011001100001000
3200211200110202010101012
42313202210023030020
511212102103142102
6230311305543052
720144456663144
oct2674244131410
9624613663335
10197074662152
1176640566615
123223baa4a88
1315779249534
149777792224
1551d672c752
hex2de290b308

197074662152 has 8 divisors (see below), whose sum is σ = 369514991550. Its totient is φ = 98537331072.

The previous prime is 197074662143. The next prime is 197074662173. The reversal of 197074662152 is 251266470791.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 173510570116 + 23564092036 = 416546^2 + 153506^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1970746621522 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 197074662152.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12317166377 + ... + 12317166392.

Almost surely, 2197074662152 is an apocalyptic number.

It is an amenable number.

197074662152 is a deficient number, since it is larger than the sum of its proper divisors (172440329398).

197074662152 is a wasteful number, since it uses less digits than its factorization.

197074662152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24634332775 (or 24634332771 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 197074662152 in words is "one hundred ninety-seven billion, seventy-four million, six hundred sixty-two thousand, one hundred fifty-two".

Divisors: 1 2 4 8 24634332769 49268665538 98537331076 197074662152