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961310097961 = 10726473394109
BaseRepresentation
bin11011111110100101000…
…11000000001000101001
310101220022100112202112021
431333102203000020221
5111222230341113321
62013341511344441
7126311106003553
oct15772243001051
93356270482467
10961310097961
11340764541944
12136384982121
136c860778595
1434755c684d3
151a014cb6941
hexdfd28c0229

961310097961 has 8 divisors (see below), whose sum is σ = 970661154240. Its totient is φ = 951965835408.

The previous prime is 961310097949. The next prime is 961310097997. The reversal of 961310097961 is 169790013169.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-961310097961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 961310097899 and 961310097908.

It is not an unprimeable number, because it can be changed into a prime (961310097931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1413826 + ... + 1980283.

It is an arithmetic number, because the mean of its divisors is an integer number (121332644280).

Almost surely, 2961310097961 is an apocalyptic number.

It is an amenable number.

961310097961 is a deficient number, since it is larger than the sum of its proper divisors (9351056279).

961310097961 is a wasteful number, since it uses less digits than its factorization.

961310097961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3396863.

The product of its (nonzero) digits is 551124, while the sum is 52.

The spelling of 961310097961 in words is "nine hundred sixty-one billion, three hundred ten million, ninety-seven thousand, nine hundred sixty-one".

Divisors: 1 107 2647 283229 3394109 363169663 8984206523 961310097961