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1381376250207 = 33891487386587
BaseRepresentation
bin10100000110100000011…
…100001101000101011111
311220001120111010021121000
4110012200130031011133
5140113024310001312
62534332343041343
7201541535251302
oct24064034150537
94801514107530
101381376250207
11492924976438
121a3878140253
13a03563b3895
144ac05012b39
1525ded146adc
hex141a070d15f

1381376250207 has 32 divisors (see below), whose sum is σ = 2070874598400. Its totient is φ = 909955404864.

The previous prime is 1381376250181. The next prime is 1381376250217. The reversal of 1381376250207 is 7020526731831.

1381376250207 is a `hidden beast` number, since 1 + 3 + 8 + 1 + 376 + 250 + 20 + 7 = 666.

It is not a de Polignac number, because 1381376250207 - 215 = 1381376217439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381376250217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3379968 + ... + 3766554.

It is an arithmetic number, because the mean of its divisors is an integer number (64714831200).

Almost surely, 21381376250207 is an apocalyptic number.

1381376250207 is a deficient number, since it is larger than the sum of its proper divisors (689498348193).

1381376250207 is a wasteful number, since it uses less digits than its factorization.

1381376250207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388172 (or 388166 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 1381376250207 in words is "one trillion, three hundred eighty-one billion, three hundred seventy-six million, two hundred fifty thousand, two hundred seven".

Divisors: 1 3 9 27 89 267 801 1487 2403 4461 13383 40149 132343 386587 397029 1159761 1191087 3479283 3573261 10437849 34406243 103218729 309656187 574854869 928968561 1724564607 5173693821 15521081463 51162083341 153486250023 460458750069 1381376250207