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121694930956 = 22377910408393
BaseRepresentation
bin111000101010110010…
…1010100100000001100
3102122010010111000200001
41301111211110200030
53443212400242311
6131523400414044
711535466563034
oct1612545244014
9378103430601
10121694930956
1147679685905
121b703477324
13b6253aa5b1
145c664ac8c4
153273ba74c1
hex1c5595480c

121694930956 has 24 divisors (see below), whose sum is σ = 221490624320. Its totient is φ = 58453529472.

The previous prime is 121694930909. The next prime is 121694931041. The reversal of 121694930956 is 659039496121.

It is a junction number, because it is equal to n+sod(n) for n = 121694930897 and 121694930906.

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, 5192505 + ... + 5215888.

Almost surely, 2121694930956 is an apocalyptic number.

It is an amenable number.

121694930956 is a deficient number, since it is larger than the sum of its proper divisors (99795693364).

121694930956 is a wasteful number, since it uses less digits than its factorization.

121694930956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10408513 (or 10408511 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 55.

The spelling of 121694930956 in words is "one hundred twenty-one billion, six hundred ninety-four million, nine hundred thirty thousand, nine hundred fifty-six".

Divisors: 1 2 4 37 74 79 148 158 316 2923 5846 11692 10408393 20816786 41633572 385110541 770221082 822263047 1540442164 1644526094 3289052188 30423732739 60847465478 121694930956