Search a number
-
+
51051501720060 = 22351027698279329
BaseRepresentation
bin10111001101110010110101…
…01000000001000111111100
320200202110211221011010220020
423212321122220001013330
523142411433420020220
6300324423000252140
713516230542523402
oct1346713250010774
9220673757133806
1051051501720060
11152a29028a1596
125886158771050
13226419c90368a
14c86c979b1472
155d7e77a05040
hex2e6e5aa011fc

51051501720060 has 48 divisors (see below), whose sum is σ = 142945613008800. Its totient is φ = 13613599678464.

The previous prime is 51051501719989. The next prime is 51051501720077. The reversal of 51051501720060 is 6002710515015.

It is a happy number.

51051501720060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 2026476 + ... + 10305804.

It is an arithmetic number, because the mean of its divisors is an integer number (2978033604350).

Almost surely, 251051501720060 is an apocalyptic number.

It is an amenable number.

51051501720060 is an abundant number, since it is smaller than the sum of its proper divisors (91894111288740).

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

51051501720060 is a wasteful number, since it uses less digits than its factorization.

51051501720060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8382110 (or 8382108 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 33.

The spelling of 51051501720060 in words is "fifty-one trillion, fifty-one billion, five hundred one million, seven hundred twenty thousand, sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 102769 205538 308307 411076 513845 616614 1027690 1233228 1541535 2055380 3083070 6166140 8279329 16558658 24837987 33117316 41396645 49675974 82793290 99351948 124189935 165586580 248379870 496759740 850858362001 1701716724002 2552575086003 3403433448004 4254291810005 5105150172006 8508583620010 10210300344012 12762875430015 17017167240020 25525750860030 51051501720060