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1028966977392 = 24379271352051
BaseRepresentation
bin11101111100100110011…
…01100000111101110000
310122100221110220100020120
432332103031200331300
5113324311021234032
62104411221210240
7134224521666114
oct16762315407560
93570843810216
101028966977392
11367423040832
12147506b60980
1376053630a53
1437b335c9744
151bb7483962c
hexef93360f70

1028966977392 has 40 divisors (see below), whose sum is σ = 2691812355840. Its totient is φ = 338647358400.

The previous prime is 1028966977373. The next prime is 1028966977453. The reversal of 1028966977392 is 2937796698201.

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, 135672234 + ... + 135679817.

It is an arithmetic number, because the mean of its divisors is an integer number (67295308896).

Almost surely, 21028966977392 is an apocalyptic number.

1028966977392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1028966977392 is an abundant number, since it is smaller than the sum of its proper divisors (1662845378448).

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

1028966977392 is a wasteful number, since it uses less digits than its factorization.

1028966977392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271352141 (or 271352135 counting only the distinct ones).

The product of its (nonzero) digits is 123451776, while the sum is 69.

The spelling of 1028966977392 in words is "one trillion, twenty-eight billion, nine hundred sixty-six million, nine hundred seventy-seven thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 79 158 237 316 474 632 948 1264 1896 3792 271352051 542704102 814056153 1085408204 1628112306 2170816408 3256224612 4341632816 6512449224 13024898448 21436812029 42873624058 64310436087 85747248116 128620872174 171494496232 257241744348 342988992464 514483488696 1028966977392