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9980151089 = 29344143141
BaseRepresentation
bin10010100101101110…
…10000010100110001
3221202112102012112112
421102313100110301
5130414404313324
64330153135105
7502213612256
oct112267202461
927675365475
109980151089
114261598257
121b263ba495
13c3085aa5c
146a967742d
153d628bc0e
hex252dd0531

9980151089 has 4 divisors (see below), whose sum is σ = 10324294260. Its totient is φ = 9636007920.

The previous prime is 9980151047. The next prime is 9980151101. The reversal of 9980151089 is 9801510899.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2818760464 + 7161390625 = 53092^2 + 84625^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9980151089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9980151889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172071542 + ... + 172071599.

It is an arithmetic number, because the mean of its divisors is an integer number (2581073565).

Almost surely, 29980151089 is an apocalyptic number.

It is an amenable number.

9980151089 is a deficient number, since it is larger than the sum of its proper divisors (344143171).

9980151089 is a wasteful number, since it uses less digits than its factorization.

9980151089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344143170.

The product of its (nonzero) digits is 233280, while the sum is 50.

The square root of 9980151089 is about 99900.7061486554. The cubic root of 9980151089 is about 2153.0083064626.

The spelling of 9980151089 in words is "nine billion, nine hundred eighty million, one hundred fifty-one thousand, eighty-nine".

Divisors: 1 29 344143141 9980151089