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11311312001010 = 2357426112641021
BaseRepresentation
bin1010010010011001111010…
…1110111101011111110010
31111001100110210002220012220
42210212132232331133302
52440311031333013020
640020202304101510
72245133566423530
oct244463656753762
944040423086186
1011311312001010
113671111814a7a
12132825b604896
136408629ba688
142b1682ba3150
15149376ed7240
hexa499ebbd7f2

11311312001010 has 64 divisors (see below), whose sum is σ = 31032596600064. Its totient is φ = 2584835769600.

The previous prime is 11311312000999. The next prime is 11311312001023. The reversal of 11311312001010 is 1010021311311.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5425701 + ... + 7215320.

It is an arithmetic number, because the mean of its divisors is an integer number (484884321876).

Almost surely, 211311312001010 is an apocalyptic number.

11311312001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11311312001010 is an abundant number, since it is smaller than the sum of its proper divisors (19721284599054).

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

11311312001010 is a wasteful number, since it uses less digits than its factorization.

11311312001010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12645299.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 11311312001010 its reverse (1010021311311), we get a palindrome (12321333312321).

The spelling of 11311312001010 in words is "eleven trillion, three hundred eleven billion, three hundred twelve million, one thousand, ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 4261 8522 12783 21305 25566 29827 42610 59654 63915 89481 127830 149135 178962 298270 447405 894810 12641021 25282042 37923063 63205105 75846126 88487147 126410210 176974294 189615315 265461441 379230630 442435735 530922882 884871470 1327307205 2654614410 53863390481 107726780962 161590171443 269316952405 323180342886 377043733367 538633904810 754087466734 807950857215 1131131200101 1615901714430 1885218666835 2262262400202 3770437333670 5655656000505 11311312001010