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712211923944 = 233228961341557
BaseRepresentation
bin10100101110100110010…
…00111000001111101000
32112002100021101102002100
422113103020320033220
543132102223031234
61303104033133400
7102312163316223
oct12272310701750
92462307342070
10712211923944
11255058077924
12b60463ba260
13522134a2241
142668512a5ba
15137d623a399
hexa5d32383e8

712211923944 has 48 divisors (see below), whose sum is σ = 1928979545220. Its totient is φ = 237395082240.

The previous prime is 712211923877. The next prime is 712211923961. The reversal of 712211923944 is 449329112217.

712211923944 is a `hidden beast` number, since 71 + 2 + 2 + 1 + 192 + 394 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 711387659844 + 824264100 = 843438^2 + 28710^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 712211923944.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1914414 + ... + 2255970.

Almost surely, 2712211923944 is an apocalyptic number.

It is an amenable number.

712211923944 is an abundant number, since it is smaller than the sum of its proper divisors (1216767621276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

712211923944 is a wasteful number, since it uses less digits than its factorization.

712211923944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370530 (or 370523 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The spelling of 712211923944 in words is "seven hundred twelve billion, two hundred eleven million, nine hundred twenty-three thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 28961 57922 86883 115844 173766 231688 260649 341557 347532 521298 683114 695064 1024671 1042596 1366228 2049342 2085192 2732456 3074013 4098684 6148026 8197368 12296052 24592104 9891832277 19783664554 29675496831 39567329108 59350993662 79134658216 89026490493 118701987324 178052980986 237403974648 356105961972 712211923944