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1516108073980 = 22575805403699
BaseRepresentation
bin10110000011111111000…
…101010100101111111100
312100221100011211002011011
4112003333011110233330
5144314442131331410
63120253533405004
7214351366666243
oct26037705245774
95327304732134
101516108073980
11534a83534825
122059b9639764
13acc786ac326
1453546ad195a
15296865dc18a
hex160ff154bfc

1516108073980 has 12 divisors (see below), whose sum is σ = 3183826955400. Its totient is φ = 606443229584.

The previous prime is 1516108073957. The next prime is 1516108073983. The reversal of 1516108073980 is 893708016151.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1516108073983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37902701830 + ... + 37902701869.

It is an arithmetic number, because the mean of its divisors is an integer number (265318912950).

Almost surely, 21516108073980 is an apocalyptic number.

1516108073980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1516108073980 is an abundant number, since it is smaller than the sum of its proper divisors (1667718881420).

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

1516108073980 is a wasteful number, since it uses less digits than its factorization.

1516108073980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75805403708 (or 75805403706 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 49.

The spelling of 1516108073980 in words is "one trillion, five hundred sixteen billion, one hundred eight million, seventy-three thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 75805403699 151610807398 303221614796 379027018495 758054036990 1516108073980