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1231415433012 = 223153913666727
BaseRepresentation
bin10001111010110110000…
…101000101011100110100
311100201111110101110102110
4101322312011011130310
5130133414322324022
62341412054211020
7154652423322522
oct21726605053464
94321443343373
101231415433012
114352709aa976
1217a7a6653a70
138c177ca301b
144385a941312
1522072c0700c
hex11eb6145734

1231415433012 has 24 divisors (see below), whose sum is σ = 2873325654976. Its totient is φ = 410468528448.

The previous prime is 1231415432939. The next prime is 1231415433013. The reversal of 1231415433012 is 2103345141321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231415433013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1513593 + ... + 2180319.

Almost surely, 21231415433012 is an apocalyptic number.

1231415433012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1231415433012 is an abundant number, since it is smaller than the sum of its proper divisors (1641910221964).

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

1231415433012 is a wasteful number, since it uses less digits than its factorization.

1231415433012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820647 (or 820645 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 1231415433012 in words is "one trillion, two hundred thirty-one billion, four hundred fifteen million, four hundred thirty-three thousand, twelve".

Divisors: 1 2 3 4 6 12 153913 307826 461739 615652 666727 923478 1333454 1846956 2000181 2666908 4000362 8000724 102617952751 205235905502 307853858253 410471811004 615707716506 1231415433012