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30250232152140 = 22357111343107109469
BaseRepresentation
bin1101110000011001011100…
…10101111000000001001100
310222002220010200122011110210
412320030232111320001030
512431104433412332030
6144200433110402420
76241335644524320
oct670145625700114
9128086120564423
1030250232152140
119703062478680
123486845660410
1313b577a631b70
1476819494d980
15376d2819dbb0
hex1b832e57804c

30250232152140 has 768 divisors, whose sum is σ = 117457323540480. Its totient is φ = 5614289694720.

The previous prime is 30250232152111. The next prime is 30250232152159. The reversal of 30250232152140 is 4125123205203.

It is a super-2 number, since 2×302502321521402 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 30250232152098 and 30250232152107.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 276281326 + ... + 276390794.

It is an arithmetic number, because the mean of its divisors is an integer number (152939223360).

Almost surely, 230250232152140 is an apocalyptic number.

30250232152140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30250232152140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58728661770240).

30250232152140 is an abundant number, since it is smaller than the sum of its proper divisors (87207091388340).

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

30250232152140 is a wasteful number, since it uses less digits than its factorization.

30250232152140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109662 (or 109660 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 30250232152140 its reverse (4125123205203), we get a palindrome (34375355357343).

The spelling of 30250232152140 in words is "thirty trillion, two hundred fifty billion, two hundred thirty-two million, one hundred fifty-two thousand, one hundred forty".