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30247227697372 = 2276389992917029
BaseRepresentation
bin1101110000010011110110…
…10000110010100011011100
310222002121101022020001100021
412320021323100302203130
512431032310242303442
6144155215022441524
76241201333216060
oct670117320624334
9128077338201307
1030247227697372
119701860545304
1234861474332a4
1313b53bc04aa8a
14767d8b907aa0
15376bee529e67
hex1b827b4328dc

30247227697372 has 48 divisors (see below), whose sum is σ = 60513570936000. Its totient is φ = 12959002197504.

The previous prime is 30247227697339. The next prime is 30247227697493. The reversal of 30247227697372 is 27379672274203.

It is a super-2 number, since 2×302472276973722 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30247227697372.

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, 1776210154 + ... + 1776227182.

It is an arithmetic number, because the mean of its divisors is an integer number (1260699394500).

Almost surely, 230247227697372 is an apocalyptic number.

It is an amenable number.

30247227697372 is an abundant number, since it is smaller than the sum of its proper divisors (30266343238628).

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

30247227697372 is a wasteful number, since it uses less digits than its factorization.

30247227697372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33358 (or 33356 counting only the distinct ones).

The product of its (nonzero) digits is 74680704, while the sum is 61.

The spelling of 30247227697372 in words is "thirty trillion, two hundred forty-seven billion, two hundred twenty-seven million, six hundred ninety-seven thousand, three hundred seventy-two".

Divisors: 1 2 4 7 14 28 6389 9929 12778 17029 19858 25556 34058 39716 44723 68116 69503 89446 119203 139006 178892 238406 278012 476812 63436381 108798281 126872762 169080941 217596562 253745524 338161882 435193124 444054667 676323764 761587967 888109334 1183566587 1523175934 1776218668 2367133174 3046351868 4734266348 1080258132049 2160516264098 4321032528196 7561806924343 15123613848686 30247227697372