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1240888881396 = 2231087733312973
BaseRepresentation
bin10010000011101010101…
…111011011000011110100
311101121221200100111112010
4102003222233123003310
5130312320023201041
62350020111124220
7155436245313543
oct22035257330364
94347850314463
101240888881396
1143929247295a
121805ab213670
139002786cb98
14440b8b9a15a
1522429754a16
hex120eabdb0f4

1240888881396 has 48 divisors (see below), whose sum is σ = 2898689690624. Its totient is φ = 413160898176.

The previous prime is 1240888881367. The next prime is 1240888881403. The reversal of 1240888881396 is 6931888880421.

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, 95645166 + ... + 95658138.

Almost surely, 21240888881396 is an apocalyptic number.

It is an amenable number.

1240888881396 is an abundant number, since it is smaller than the sum of its proper divisors (1657800809228).

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

1240888881396 is a wasteful number, since it uses less digits than its factorization.

1240888881396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21400 (or 21398 counting only the distinct ones).

The product of its (nonzero) digits is 42467328, while the sum is 66.

The spelling of 1240888881396 in words is "one trillion, two hundred forty billion, eight hundred eighty-eight million, eight hundred eighty-one thousand, three hundred ninety-six".

Divisors: 1 2 3 4 6 12 1087 2174 3261 4348 6522 7333 12973 13044 14666 21999 25946 29332 38919 43998 51892 77838 87996 155676 7970971 14101651 15941942 23912913 28203302 31883884 42304953 47825826 56406604 84609906 95131009 95651652 169219812 190262018 285393027 380524036 570786054 1141572108 103407406783 206814813566 310222220349 413629627132 620444440698 1240888881396