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57313133680 = 24511193427819
BaseRepresentation
bin110101011000001000…
…010000010001110000
312110221020202212001211
4311120020100101300
51414334130234210
642155043205504
74066162412125
oct653010202160
9173836685054
1057313133680
1122340851690
12b136076894
135534bc176a
142ab9abc74c
15175691438a
hexd58210470

57313133680 has 80 divisors (see below), whose sum is σ = 153017884800. Its totient is φ = 19744231680.

The previous prime is 57313133677. The next prime is 57313133687. The reversal of 57313133680 is 8633131375.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57313133687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1697190 + ... + 1730629.

It is an arithmetic number, because the mean of its divisors is an integer number (1912723560).

Almost surely, 257313133680 is an apocalyptic number.

It is an amenable number.

57313133680 is an abundant number, since it is smaller than the sum of its proper divisors (95704751120).

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

57313133680 is a wasteful number, since it uses less digits than its factorization.

57313133680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3427862 (or 3427856 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 57313133680 in words is "fifty-seven billion, three hundred thirteen million, one hundred thirty-three thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 11 16 19 20 22 38 40 44 55 76 80 88 95 110 152 176 190 209 220 304 380 418 440 760 836 880 1045 1520 1672 2090 3344 4180 8360 16720 3427819 6855638 13711276 17139095 27422552 34278190 37706009 54845104 65128561 68556380 75412018 130257122 137112760 150824036 188530045 260514244 274225520 301648072 325642805 377060090 521028488 603296144 651285610 716414171 754120180 1042056976 1302571220 1432828342 1508240360 2605142440 2865656684 3016480720 3582070855 5210284880 5731313368 7164141710 11462626736 14328283420 28656566840 57313133680