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30648561788436 = 22320692545748491
BaseRepresentation
bin1101111011111111011001…
…01000110110011000010100
311000111222021222010021020020
412331333230220312120110
513004121223304212221
6145103431021105140
76312166634545314
oct675775450663024
9130458258107206
1030648561788436
119846a89139aa9
12352ba913b81b0
1314141bab9c1c7
1477d580d43444
1538238d0e9ac6
hex1bdfeca36614

30648561788436 has 48 divisors (see below), whose sum is σ = 71552161114560. Its totient is φ = 10210637831680.

The previous prime is 30648561788423. The next prime is 30648561788477. The reversal of 30648561788436 is 63488716584603.

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, 632022151 + ... + 632070641.

It is an arithmetic number, because the mean of its divisors is an integer number (1490670023220).

Almost surely, 230648561788436 is an apocalyptic number.

It is an amenable number.

30648561788436 is an abundant number, since it is smaller than the sum of its proper divisors (40903599326124).

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

30648561788436 is a wasteful number, since it uses less digits than its factorization.

30648561788436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76024 (or 76022 counting only the distinct ones).

The product of its (nonzero) digits is 557383680, while the sum is 69.

The spelling of 30648561788436 in words is "thirty trillion, six hundred forty-eight billion, five hundred sixty-one million, seven hundred eighty-eight thousand, four hundred thirty-six".

Divisors: 1 2 3 4 6 12 2069 4138 6207 8276 12414 24828 25457 48491 50914 76371 96982 101828 145473 152742 193964 290946 305484 581892 52670533 100327879 105341066 158011599 200655758 210682132 300983637 316023198 401311516 601967274 632046396 1203934548 1234435387 2468870774 3703306161 4937741548 7406612322 14813224644 2554046815703 5108093631406 7662140447109 10216187262812 15324280894218 30648561788436