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10915141380 = 223511213176803
BaseRepresentation
bin10100010101001011…
…11101011100000100
31001011200202122002120
422022211331130010
5134323234011010
65003033205540
7534326112423
oct121245753404
931150678076
1010915141380
1146a1349300
1221475608b0
13104c485950
147579012ba
1543d3cae70
hex28a97d704

10915141380 has 288 divisors, whose sum is σ = 38311201152. Its totient is φ = 2298531840.

The previous prime is 10915141379. The next prime is 10915141381. The reversal of 10915141380 is 8314151901.

It is an interprime number because it is at equal distance from previous prime (10915141379) and next prime (10915141381).

It is a super-2 number, since 2×109151413802 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (10915141381) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1601059 + ... + 1607861.

It is an arithmetic number, because the mean of its divisors is an integer number (133025004).

Almost surely, 210915141380 is an apocalyptic number.

10915141380 is a gapful number since it is divisible by the number (10) 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 10915141380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19155600576).

10915141380 is an abundant number, since it is smaller than the sum of its proper divisors (27396059772).

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

10915141380 is a wasteful number, since it uses less digits than its factorization.

10915141380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6867 (or 6854 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 33.

The spelling of 10915141380 in words is "ten billion, nine hundred fifteen million, one hundred forty-one thousand, three hundred eighty".