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30717224719140 = 2235511953745319
BaseRepresentation
bin1101111101111111010010…
…10001001001001100100100
311000202112112012112112211210
412332333221101021030210
513011232334012003030
6145155144230031420
76320150315043621
oct676775121111444
9130675465475753
1030717224719140
119873113615123
1235412544a8570
13141a8112ccc9b
14782a16149348
1538405b146bb0
hex1befe9449324

30717224719140 has 24 divisors (see below), whose sum is σ = 86008229213760. Its totient is φ = 8191259925088.

The previous prime is 30717224719127. The next prime is 30717224719141. The reversal of 30717224719140 is 4191742271703.

It is a happy number.

It is a super-2 number, since 2×307172247191402 (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 30717224719140.

It is not an unprimeable number, because it can be changed into a prime (30717224719141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255976872600 + ... + 255976872719.

It is an arithmetic number, because the mean of its divisors is an integer number (3583676217240).

Almost surely, 230717224719140 is an apocalyptic number.

30717224719140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30717224719140 is an abundant number, since it is smaller than the sum of its proper divisors (55291004494620).

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

30717224719140 is a wasteful number, since it uses less digits than its factorization.

30717224719140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511953745331 (or 511953745329 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 48.

The spelling of 30717224719140 in words is "thirty trillion, seven hundred seventeen billion, two hundred twenty-four million, seven hundred nineteen thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 511953745319 1023907490638 1535861235957 2047814981276 2559768726595 3071722471914 5119537453190 6143444943828 7679306179785 10239074906380 15358612359570 30717224719140