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1031397280396 = 227181457445321
BaseRepresentation
bin11110000001001000001…
…00011000101010001100
310122121012211221112012221
433000210010120222030
5113344300200433041
62105452315105124
7134341662142450
oct17004404305214
93577184845187
101031397280396
1136845a97040a
12147a84a421a4
137634cc99572
1437cc4296660
151bc67d992d1
hexf024118a8c

1031397280396 has 48 divisors (see below), whose sum is σ = 2078734595392. Its totient is φ = 438622387200.

The previous prime is 1031397280379. The next prime is 1031397280447. The reversal of 1031397280396 is 6930827931301.

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, 2093416 + ... + 2538736.

Almost surely, 21031397280396 is an apocalyptic number.

It is an amenable number.

1031397280396 is an abundant number, since it is smaller than the sum of its proper divisors (1047337314996).

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

1031397280396 is a wasteful number, since it uses less digits than its factorization.

1031397280396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445970 (or 445968 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 52.

The spelling of 1031397280396 in words is "one trillion, thirty-one billion, three hundred ninety-seven million, two hundred eighty thousand, three hundred ninety-six".

Divisors: 1 2 4 7 14 28 181 362 457 724 914 1267 1828 2534 3199 5068 6398 12796 82717 165434 330868 445321 579019 890642 1158038 1781284 2316076 3117247 6234494 12468988 80603101 161206202 203511697 322412404 407023394 564221707 814046788 1128443414 1424581879 2256886828 2849163758 5698327516 36835617157 73671234314 147342468628 257849320099 515698640198 1031397280396