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31428888744316 = 22761131298314143
BaseRepresentation
bin1110010010101100110111…
…01111111101000101111100
311010021120110021221211010011
413021112123233331011330
513104412331004304231
6150502122051553004
76422443106332510
oct711263357750574
9133246407854104
1031428888744316
11a017a0a38a548
1236371672bb764
13146c96811926b
147a92485b2140
1539780e2069b1
hex1c959bbfd17c

31428888744316 has 48 divisors (see below), whose sum is σ = 62877347979264. Its totient is φ = 13465330868736.

The previous prime is 31428888744289. The next prime is 31428888744427. The reversal of 31428888744316 is 61344788882413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2222215141 + ... + 2222229283.

It is an arithmetic number, because the mean of its divisors is an integer number (1309944749568).

Almost surely, 231428888744316 is an apocalyptic number.

It is an amenable number.

31428888744316 is an abundant number, since it is smaller than the sum of its proper divisors (31448459234948).

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

31428888744316 is a wasteful number, since it uses less digits than its factorization.

31428888744316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33250 (or 33248 counting only the distinct ones).

The product of its digits is 198180864, while the sum is 67.

The spelling of 31428888744316 in words is "thirty-one trillion, four hundred twenty-eight billion, eight hundred eighty-eight million, seven hundred forty-four thousand, three hundred sixteen".

Divisors: 1 2 4 7 14 28 6113 12226 12983 14143 24452 25966 28286 42791 51932 56572 85582 90881 99001 171164 181762 198002 363524 396004 79365079 86456159 158730158 172912318 183618569 317460316 345824636 367237138 555555553 605193113 734474276 1111111106 1210386226 1285329983 2222222212 2420772452 2570659966 5141319932 1122460312297 2244920624594 4489841249188 7857222186079 15714444372158 31428888744316