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196969136965 = 5166932359901
BaseRepresentation
bin1011011101110001000…
…1101000001101000101
3200211102010011220000221
42313130101220031011
511211343044340330
6230253020104341
720142036016426
oct2673421501505
9624363156027
10196969136965
1176596a40a17
12322106950b1
131576041cbb3
14976776364d
1551cc335b7a
hex2ddc468345

196969136965 has 8 divisors (see below), whose sum is σ = 236377223928. Its totient is φ = 157565803200.

The previous prime is 196969136941. The next prime is 196969136981. The reversal of 196969136965 is 569631969691.

It can be written as a sum of positive squares in 4 ways, for example, as 16009081729 + 180960055236 = 126527^2 + 425394^2 .

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

It is not a de Polignac number, because 196969136965 - 25 = 196969136933 is a prime.

It is a super-2 number, since 2×1969691369652 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 196969136894 and 196969136903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1096486 + ... + 1263415.

It is an arithmetic number, because the mean of its divisors is an integer number (29547152991).

Almost surely, 2196969136965 is an apocalyptic number.

It is an amenable number.

196969136965 is a deficient number, since it is larger than the sum of its proper divisors (39408086963).

196969136965 is a wasteful number, since it uses less digits than its factorization.

196969136965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2376599.

The product of its digits is 127545840, while the sum is 70.

The spelling of 196969136965 in words is "one hundred ninety-six billion, nine hundred sixty-nine million, one hundred thirty-six thousand, nine hundred sixty-five".

Divisors: 1 5 16693 83465 2359901 11799505 39393827393 196969136965