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1016988072 = 2331919711321
BaseRepresentation
bin111100100111100…
…000000110101000
32121212122100100220
4330213200012220
54040322104242
6244525330040
734126153542
oct7447400650
92555570326
101016988072
11482077211
12244706920
131329076b9
14990d0692
155e439bec
hex3c9e01a8

1016988072 has 64 divisors (see below), whose sum is σ = 2690107200. Its totient is φ = 319495680.

The previous prime is 1016988047. The next prime is 1016988073. The reversal of 1016988072 is 2708896101.

It is not an unprimeable number, because it can be changed into a prime (1016988073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84172 + ... + 95492.

It is an arithmetic number, because the mean of its divisors is an integer number (42032925).

Almost surely, 21016988072 is an apocalyptic number.

1016988072 is a gapful number since it is divisible by the number (12) 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 1016988072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1345053600).

1016988072 is an abundant number, since it is smaller than the sum of its proper divisors (1673119128).

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

1016988072 is a wasteful number, since it uses less digits than its factorization.

1016988072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11546 (or 11542 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 42.

The square root of 1016988072 is about 31890.2504223470. The cubic root of 1016988072 is about 1005.6309238495.

The spelling of 1016988072 in words is "one billion, sixteen million, nine hundred eighty-eight thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 114 152 197 228 394 456 591 788 1182 1576 2364 3743 4728 7486 11229 11321 14972 22458 22642 29944 33963 44916 45284 67926 89832 90568 135852 215099 271704 430198 645297 860396 1290594 1720792 2230237 2581188 4460474 5162376 6690711 8920948 13381422 17841896 26762844 42374503 53525688 84749006 127123509 169498012 254247018 338996024 508494036 1016988072