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1231422143970 = 23570158555499
BaseRepresentation
bin10001111010110110011…
…110101011110111100010
311100201111221000102010110
4101322312132223313202
5130133423032101340
62341412454112150
7154652534343144
oct21726636536742
94321457012113
101231422143970
11435274773a17
1217a7a894b656
138c1794b27c5
144385b7aac94
15220735d0680
hex11eb67abde2

1231422143970 has 32 divisors (see below), whose sum is σ = 2959629192000. Its totient is φ = 327910788800.

The previous prime is 1231422143969. The next prime is 1231422143971. The reversal of 1231422143970 is 793412241321.

It is an interprime number because it is at equal distance from previous prime (1231422143969) and next prime (1231422143971).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1231422143971) 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, 29256720 + ... + 29298779.

It is an arithmetic number, because the mean of its divisors is an integer number (92488412250).

Almost surely, 21231422143970 is an apocalyptic number.

1231422143970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231422143970 is an abundant number, since it is smaller than the sum of its proper divisors (1728207048030).

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

1231422143970 is a wasteful number, since it uses less digits than its factorization.

1231422143970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58556210.

The product of its (nonzero) digits is 72576, while the sum is 39.

The spelling of 1231422143970 in words is "one trillion, two hundred thirty-one billion, four hundred twenty-two million, one hundred forty-three thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 701 1402 2103 3505 4206 7010 10515 21030 58555499 117110998 175666497 292777495 351332994 585554990 878332485 1756664970 41047404799 82094809598 123142214397 205237023995 246284428794 410474047990 615711071985 1231422143970