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30492540454240 = 2551033787948847
BaseRepresentation
bin1101110111011100110010…
…00010101100010101100000
310222222001120120110021200001
412323232121002230111200
512444042210324013430
6144504025114305344
76265004402232004
oct673563102542540
9128861516407601
1030492540454240
1197968a51693a7
1235057aa128254
131402584cc4507
14775bbd9cc704
1537d2aaabb3ca
hex1bbb990ac560

30492540454240 has 96 divisors (see below), whose sum is σ = 72741440378880. Its totient is φ = 12078032408064.

The previous prime is 30492540454171. The next prime is 30492540454309. The reversal of 30492540454240 is 4245404529403.

It is an interprime number because it is at equal distance from previous prime (30492540454171) and next prime (30492540454309).

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, 624221497 + ... + 624270343.

It is an arithmetic number, because the mean of its divisors is an integer number (757723337280).

Almost surely, 230492540454240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30492540454240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36370720189440).

30492540454240 is an abundant number, since it is smaller than the sum of its proper divisors (42248899924640).

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

30492540454240 is a wasteful number, since it uses less digits than its factorization.

30492540454240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86844 (or 86836 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 46.

The spelling of 30492540454240 in words is "thirty trillion, four hundred ninety-two billion, five hundred forty million, four hundred fifty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 103 160 206 412 515 824 1030 1648 2060 3296 4120 8240 16480 37879 48847 75758 97694 151516 189395 195388 244235 303032 378790 390776 488470 606064 757580 781552 976940 1212128 1515160 1563104 1953880 3030320 3901537 3907760 5031241 6060640 7803074 7815520 10062482 15606148 19507685 20124964 25156205 31212296 39015370 40249928 50312410 62424592 78030740 80499856 100624820 124849184 156061480 160999712 201249640 312122960 402499280 624245920 804998560 1850275513 3700551026 7401102052 9251377565 14802204104 18502755130 29604408208 37005510260 59208816416 74011020520 148022041040 190578377839 296044082080 381156755678 762313511356 952891889195 1524627022712 1905783778390 3049254045424 3811567556780 6098508090848 7623135113560 15246270227120 30492540454240