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149799068961 = 3311610742677
BaseRepresentation
bin1000101110000010111…
…0000110010100100001
3112022122202101011022020
42023200232012110201
54423242030201321
6152452225532053
713552106035323
oct2134056062441
9468582334266
10149799068961
115859073a743
12250474a4029
1311183a5a459
147370c09613
153d6b13e4c6
hex22e0b86521

149799068961 has 8 divisors (see below), whose sum is σ = 206175062784. Its totient is φ = 96644560560.

The previous prime is 149799068941. The next prime is 149799068981. The reversal of 149799068961 is 169860997941.

It is an interprime number because it is at equal distance from previous prime (149799068941) and next prime (149799068981).

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

It is not a de Polignac number, because 149799068961 - 210 = 149799067937 is a prime.

It is a super-2 number, since 2×1497990689612 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (149799068941) 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, 805371246 + ... + 805371431.

It is an arithmetic number, because the mean of its divisors is an integer number (25771882848).

Almost surely, 2149799068961 is an apocalyptic number.

It is an amenable number.

149799068961 is a deficient number, since it is larger than the sum of its proper divisors (56375993823).

149799068961 is a wasteful number, since it uses less digits than its factorization.

149799068961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610742711.

The product of its (nonzero) digits is 52907904, while the sum is 69.

The spelling of 149799068961 in words is "one hundred forty-nine billion, seven hundred ninety-nine million, sixty-eight thousand, nine hundred sixty-one".

Divisors: 1 3 31 93 1610742677 4832228031 49933022987 149799068961