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30649812696 = 2333236169447
BaseRepresentation
bin11100100010110111…
…110000011011011000
32221010001000210211000
4130202313300123120
51000232323001241
622025203505000
72133350052336
oct344267603330
987101023730
1030649812696
1111aa9024a18
125b34688160
132b75bb1a59
1416aa87ab56
15be5bd5eb6
hex722df06d8

30649812696 has 64 divisors (see below), whose sum is σ = 88840051200. Its totient is φ = 9772402464.

The previous prime is 30649812689. The next prime is 30649812707. The reversal of 30649812696 is 69621894603.

It is a super-2 number, since 2×306498126962 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3079756 + ... + 3089691.

It is an arithmetic number, because the mean of its divisors is an integer number (1388125800).

Almost surely, 230649812696 is an apocalyptic number.

30649812696 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30649812696 is an abundant number, since it is smaller than the sum of its proper divisors (58190238504).

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

30649812696 is a wasteful number, since it uses less digits than its factorization.

30649812696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6169485 (or 6169475 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The spelling of 30649812696 in words is "thirty billion, six hundred forty-nine million, eight hundred twelve thousand, six hundred ninety-six".

Divisors: 1 2 3 4 6 8 9 12 18 23 24 27 36 46 54 69 72 92 108 138 184 207 216 276 414 552 621 828 1242 1656 2484 4968 6169447 12338894 18508341 24677788 37016682 49355576 55525023 74033364 111050046 141897281 148066728 166575069 222100092 283794562 333150138 425691843 444200184 567589124 666300276 851383686 1135178248 1277075529 1332600552 1702767372 2554151058 3405534744 3831226587 5108302116 7662453174 10216604232 15324906348 30649812696