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1642430963292 = 2237171150161739
BaseRepresentation
bin10111111001101000100…
…000111001111001011100
312211000101211121202012020
4113321220200321321130
5203402144311311132
63254304455340140
7226442653561260
oct27715040717134
95730354552166
101642430963292
115836075081a9
12226392981650
13bbb5a815802
14596cba980a0
152cacb70b52c
hex17e68839e5c

1642430963292 has 48 divisors (see below), whose sum is σ = 4637452135680. Its totient is φ = 441662107392.

The previous prime is 1642430963273. The next prime is 1642430963293. The reversal of 1642430963292 is 2923690342461.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1642430963293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 575079442 + ... + 575082297.

It is an arithmetic number, because the mean of its divisors is an integer number (96613586160).

Almost surely, 21642430963292 is an apocalyptic number.

1642430963292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1642430963292 is an abundant number, since it is smaller than the sum of its proper divisors (2995021172388).

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

1642430963292 is a wasteful number, since it uses less digits than its factorization.

1642430963292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150161770 (or 1150161768 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 51.

The spelling of 1642430963292 in words is "one trillion, six hundred forty-two billion, four hundred thirty million, nine hundred sixty-three thousand, two hundred ninety-two".

Divisors: 1 2 3 4 6 7 12 14 17 21 28 34 42 51 68 84 102 119 204 238 357 476 714 1428 1150161739 2300323478 3450485217 4600646956 6900970434 8051132173 13801940868 16102264346 19552749563 24153396519 32204528692 39105499126 48306793038 58658248689 78210998252 96613586076 117316497378 136869246941 234632994756 273738493882 410607740823 547476987764 821215481646 1642430963292