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309438931102 = 2722102780793
BaseRepresentation
bin1001000000010111111…
…11110110000010011110
31002120201022221102000221
410200023333312002132
520032212331243402
6354053154111554
731233120342040
oct4401377660236
91076638842027
10309438931102
1110a261233a04
124bb7a57b5ba
1323245501642
1410d96973a90
1580b118e337
hex480bff609e

309438931102 has 8 divisors (see below), whose sum is σ = 530466739056. Its totient is φ = 132616684752.

The previous prime is 309438931099. The next prime is 309438931121. The reversal of 309438931102 is 201139834903.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11051390383 + ... + 11051390410.

It is an arithmetic number, because the mean of its divisors is an integer number (66308342382).

Almost surely, 2309438931102 is an apocalyptic number.

309438931102 is a deficient number, since it is larger than the sum of its proper divisors (221027807954).

309438931102 is a wasteful number, since it uses less digits than its factorization.

309438931102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22102780802.

The product of its (nonzero) digits is 139968, while the sum is 43.

The spelling of 309438931102 in words is "three hundred nine billion, four hundred thirty-eight million, nine hundred thirty-one thousand, one hundred two".

Divisors: 1 2 7 14 22102780793 44205561586 154719465551 309438931102