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1013109216 = 25371507603
BaseRepresentation
bin111100011000101…
…101000111100000
32121121100021120120
4330120231013200
54033323443331
6244310240240
734051200120
oct7430550740
92547307516
101013109216
1147a967a49
12243356080
13131b7a012
14987a0c80
155de20796
hex3c62d1e0

1013109216 has 48 divisors (see below), whose sum is σ = 3039329664. Its totient is φ = 289459584.

The previous prime is 1013109179. The next prime is 1013109217. The reversal of 1013109216 is 6129013101.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013109217) 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, 753130 + ... + 754473.

It is an arithmetic number, because the mean of its divisors is an integer number (63319368).

Almost surely, 21013109216 is an apocalyptic number.

1013109216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1013109216 is an abundant number, since it is smaller than the sum of its proper divisors (2026220448).

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

1013109216 is a wasteful number, since it uses less digits than its factorization.

1013109216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507623 (or 1507615 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 1013109216 is about 31829.3766197203. The cubic root of 1013109216 is about 1004.3507819110.

The spelling of 1013109216 in words is "one billion, thirteen million, one hundred nine thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 1507603 3015206 4522809 6030412 9045618 10553221 12060824 18091236 21106442 24121648 31659663 36182472 42212884 48243296 63319326 72364944 84425768 126638652 144729888 168851536 253277304 337703072 506554608 1013109216