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72490552652 = 22717505930103
BaseRepresentation
bin100001110000011000…
…1100000110101001100
320221002222202121211102
41003200301200311030
52141430040141102
653145100042232
75144245350050
oct1034061406514
9227088677742
1072490552652
112881a033151
1212070b33378
136ab341994b
1437196c7c60
151d440c2402
hex10e0c60d4c

72490552652 has 48 divisors (see below), whose sum is σ = 153544849920. Its totient is φ = 29233135872.

The previous prime is 72490552639. The next prime is 72490552663. The reversal of 72490552652 is 25625509427.

It is a junction number, because it is equal to n+sod(n) for n = 72490552597 and 72490552606.

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, 2393033 + ... + 2423135.

It is an arithmetic number, because the mean of its divisors is an integer number (3198851040).

Almost surely, 272490552652 is an apocalyptic number.

It is an amenable number.

72490552652 is an abundant number, since it is smaller than the sum of its proper divisors (81054297268).

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

72490552652 is a wasteful number, since it uses less digits than its factorization.

72490552652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35190 (or 35188 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 47.

The spelling of 72490552652 in words is "seventy-two billion, four hundred ninety million, five hundred fifty-two thousand, six hundred fifty-two".

Divisors: 1 2 4 7 14 17 28 34 68 119 238 476 5059 10118 20236 30103 35413 60206 70826 86003 120412 141652 172006 210721 344012 421442 511751 602021 842884 1023502 1204042 2047004 2408084 3582257 7164514 14329028 152291077 304582154 609164308 1066037539 2132075078 2588948309 4264150156 5177896618 10355793236 18122638163 36245276326 72490552652