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23128064803970 = 2572192484217487
BaseRepresentation
bin1010100001000111011000…
…00101100100010010000010
310000220000120121020212211122
411100203230011210102002
511012412234042211340
6121104515234512242
74604643002114300
oct520435405442202
9100800517225748
1023128064803970
1174076146a8485
12271645a135682
13cb9c75ab0849
1459d5935d3270
152a19325cbdb5
hex1508ec164482

23128064803970 has 48 divisors (see below), whose sum is σ = 50976142853760. Its totient is φ = 7512273677664.

The previous prime is 23128064803937. The next prime is 23128064803979. The reversal of 23128064803970 is 7930846082132.

It is not an unprimeable number, because it can be changed into a prime (23128064803979) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1242099434 + ... + 1242118053.

It is an arithmetic number, because the mean of its divisors is an integer number (1062002976120).

Almost surely, 223128064803970 is an apocalyptic number.

23128064803970 is an abundant number, since it is smaller than the sum of its proper divisors (27848078049790).

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

23128064803970 is a wasteful number, since it uses less digits than its factorization.

23128064803970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2484217527 (or 2484217520 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 23128064803970 in words is "twenty-three trillion, one hundred twenty-eight billion, sixty-four million, eight hundred three thousand, nine hundred seventy".

Divisors: 1 2 5 7 10 14 19 35 38 49 70 95 98 133 190 245 266 490 665 931 1330 1862 4655 9310 2484217487 4968434974 12421087435 17389522409 24842174870 34779044818 47200132253 86947612045 94400264506 121726656863 173895224090 236000661265 243453313726 330400925771 472001322530 608633284315 660801851542 1217266568630 1652004628855 2312806480397 3304009257710 4625612960794 11564032401985 23128064803970