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153499836849920 = 28511312113100393
BaseRepresentation
bin100010111001101101110111…
…001111111001111100000000
3202010111102220112221220021122
4202321231313033321330000
5130104420131213144140
61302244503534011412
744221666024141001
oct4271556717717400
9663442815856248
10153499836849920
1144a00a08195360
1215271368946b68
136785c84792372
1429c96089c71a8
1512b2d3a2caab5
hex8b9b773f9f00

153499836849920 has 432 divisors, whose sum is σ = 418133780025696. Its totient is φ = 53538973286400.

The previous prime is 153499836849893. The next prime is 153499836849949. The reversal of 153499836849920 is 29948638994351.

It is a Harshad number since it is a multiple of its sum of digits (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1528939244 + ... + 1529039636.

It is an arithmetic number, because the mean of its divisors is an integer number (967902268578).

Almost surely, 2153499836849920 is an apocalyptic number.

153499836849920 is a gapful number since it is divisible by the number (10) 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 153499836849920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209066890012848).

153499836849920 is an abundant number, since it is smaller than the sum of its proper divisors (264633943175776).

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

153499836849920 is a wasteful number, since it uses less digits than its factorization.

153499836849920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100600 (or 100555 counting only the distinct ones).

The product of its (nonzero) digits is 3627970560, while the sum is 80.

The spelling of 153499836849920 in words is "one hundred fifty-three trillion, four hundred ninety-nine billion, eight hundred thirty-six million, eight hundred forty-nine thousand, nine hundred twenty".