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30738949494 = 2311479909397
BaseRepresentation
bin11100101000001011…
…110010010101110110
32221100020202102111220
4130220023302111312
51000423132340434
622042110211210
72135511521361
oct345013622566
987306672456
1030738949494
11120443767a0
125b5a4b3b06
132b8b4c0b16
1416b86410d8
15bed941d49
hex7282f2576

30738949494 has 32 divisors (see below), whose sum is σ = 68493758976. Its totient is φ = 9116644320.

The previous prime is 30738949441. The next prime is 30738949511. The reversal of 30738949494 is 49494983703.

30738949494 is a modest number, since divided by 949494 gives 30738 as remainder.

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, 4951597 + ... + 4957800.

It is an arithmetic number, because the mean of its divisors is an integer number (2140429968).

Almost surely, 230738949494 is an apocalyptic number.

30738949494 is an abundant number, since it is smaller than the sum of its proper divisors (37754809482).

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

30738949494 is a wasteful number, since it uses less digits than its factorization.

30738949494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9909460.

The product of its (nonzero) digits is 23514624, while the sum is 60.

The spelling of 30738949494 in words is "thirty billion, seven hundred thirty-eight million, nine hundred forty-nine thousand, four hundred ninety-four".

Divisors: 1 2 3 6 11 22 33 47 66 94 141 282 517 1034 1551 3102 9909397 19818794 29728191 59456382 109003367 218006734 327010101 465741659 654020202 931483318 1397224977 2794449954 5123158249 10246316498 15369474747 30738949494