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158448340992 = 2123192231553
BaseRepresentation
bin1001001110010001000…
…0011101000000000000
3120010222112111200222210
42103210100131000000
510044000233402432
6200442401502120
714306332451004
oct2234420350000
9503875450883
10158448340992
1161219a59847
1226860041940
1311c3195b0b6
147951804704
1541c563b8cc
hex24e441d000

158448340992 has 312 divisors, whose sum is σ = 465569100864. Its totient is φ = 47830007808.

The previous prime is 158448340957. The next prime is 158448340993. The reversal of 158448340992 is 299043844851.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158448340993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102026488 + ... + 102028040.

Almost surely, 2158448340992 is an apocalyptic number.

158448340992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158448340992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232784550432).

158448340992 is an abundant number, since it is smaller than the sum of its proper divisors (307120759872).

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

158448340992 is a wasteful number, since it uses less digits than its factorization.

158448340992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641 (or 1600 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 57.

The spelling of 158448340992 in words is "one hundred fifty-eight billion, four hundred forty-eight million, three hundred forty thousand, nine hundred ninety-two".