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30550173664640 = 27576819235193
BaseRepresentation
bin1101111001001000001000…
…01111111100010110000000
311000011120100010111201110012
412330210010033330112000
513001013223424232030
6144550320034124052
76302114532362330
oct674440417742600
9130146303451405
1030550173664640
11980928a6573a3
1235149b3420628
131407b3b2c3086
147788c9dc90c0
1537ea30658095
hex1bc9043fc580

30550173664640 has 64 divisors (see below), whose sum is σ = 83467438774560. Its totient is φ = 10474345254912.

The previous prime is 30550173664639. The next prime is 30550173664651. The reversal of 30550173664640 is 4646637105503.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×305501736646402 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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, 3409613117 + ... + 3409622076.

Almost surely, 230550173664640 is an apocalyptic number.

It is an amenable number.

30550173664640 is an abundant number, since it is smaller than the sum of its proper divisors (52917265109920).

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

30550173664640 is an equidigital number, since it uses as much as digits as its factorization.

30550173664640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6819235219 (or 6819235207 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 50.

The spelling of 30550173664640 in words is "thirty trillion, five hundred fifty billion, one hundred seventy-three million, six hundred sixty-four thousand, six hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 280 320 448 560 640 896 1120 2240 4480 6819235193 13638470386 27276940772 34096175965 47734646351 54553881544 68192351930 95469292702 109107763088 136384703860 190938585404 218215526176 238673231755 272769407720 381877170808 436431052352 477346463510 545538815440 763754341616 872862104704 954692927020 1091077630880 1527508683232 1909385854040 2182155261760 3055017366464 3818771708080 4364310523520 6110034732928 7637543416160 15275086832320 30550173664640