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20768290620184 = 2317592473596789
BaseRepresentation
bin1001011100011011111101…
…00101011100001100011000
32201112102120212210211222201
410232031332211130030120
510210231424344321214
6112100453200255544
74242313413365302
oct456157645341430
981472525724881
1020768290620184
116687867699408
1223b504a6115b4
13b785979b6573
1451b295130972
1526036e446274
hex12e37e95c318

20768290620184 has 32 divisors (see below), whose sum is σ = 38978503344000. Its totient is φ = 10374027869952.

The previous prime is 20768290620149. The next prime is 20768290620221. The reversal of 20768290620184 is 48102609286702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34501662 + ... + 35098450.

It is an arithmetic number, because the mean of its divisors is an integer number (1218078229500).

Almost surely, 220768290620184 is an apocalyptic number.

It is an amenable number.

20768290620184 is a deficient number, since it is larger than the sum of its proper divisors (18210212723816).

20768290620184 is a wasteful number, since it uses less digits than its factorization.

20768290620184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601027 (or 601023 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 55.

The spelling of 20768290620184 in words is "twenty trillion, seven hundred sixty-eight billion, two hundred ninety million, six hundred twenty thousand, one hundred eighty-four".

Divisors: 1 2 4 8 1759 2473 3518 4946 7036 9892 14072 19784 596789 1193578 2387156 4350007 4774312 8700014 17400028 34800056 1049751851 1475859197 2099503702 2951718394 4199007404 5903436788 8398014808 11806873576 2596036327523 5192072655046 10384145310092 20768290620184