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308396672390 = 25191623140381
BaseRepresentation
bin1000111110011011101…
…11111100010110000110
31002111000200202011212102
410133031313330112012
520023044022004030
6353401522552102
731165233314642
oct4371567742606
91074020664772
10308396672390
11109876977574
124b929508632
132310a5b9801
1410cd8385c22
15804e911c45
hex47cddfc586

308396672390 has 16 divisors (see below), whose sum is σ = 584330537520. Its totient is φ = 116866107360.

The previous prime is 308396672383. The next prime is 308396672401. The reversal of 308396672390 is 93276693803.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 811570001 + ... + 811570380.

It is an arithmetic number, because the mean of its divisors is an integer number (36520658595).

Almost surely, 2308396672390 is an apocalyptic number.

308396672390 is a deficient number, since it is larger than the sum of its proper divisors (275933865130).

308396672390 is a wasteful number, since it uses less digits than its factorization.

308396672390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623140407.

The product of its (nonzero) digits is 8817984, while the sum is 56.

The spelling of 308396672390 in words is "three hundred eight billion, three hundred ninety-six million, six hundred seventy-two thousand, three hundred ninety".

Divisors: 1 2 5 10 19 38 95 190 1623140381 3246280762 8115701905 16231403810 30839667239 61679334478 154198336195 308396672390