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152809970688 = 21036277739
BaseRepresentation
bin1000111001010000101…
…1110001110000000000
3112121102120220211000000
42032110023301300000
510000423323030223
6154111104000000
714016526214424
oct2162413616000
9477376824000
10152809970688
1159896276781
1225747900000
131154378aacb
147578a4cb84
153e95638543
hex23942f1c00

152809970688 has 308 divisors, whose sum is σ = 460271962120. Its totient is φ = 50684092416.

The previous prime is 152809970653. The next prime is 152809970689. The reversal of 152809970688 is 886079908251.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152809970689) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 206779023 + ... + 206779761.

Almost surely, 2152809970688 is an apocalyptic number.

152809970688 is a gapful number since it is divisible by the number (18) 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 152809970688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230135981060).

152809970688 is an abundant number, since it is smaller than the sum of its proper divisors (307461991432).

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

152809970688 is an frugal number, since it uses more digits than its factorization.

152809970688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054 (or 1021 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 63.

The spelling of 152809970688 in words is "one hundred fifty-two billion, eight hundred nine million, nine hundred seventy thousand, six hundred eighty-eight".