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1970640714 = 237172179907
BaseRepresentation
bin111010101110101…
…1001011101001010
312002100002220212010
41311131121131022
513013441000324
6523313400350
766556112130
oct16535313512
95070086763
101970640714
11921414599
1246bb690b6
13255367bc3
14149a15750
15b8013829
hex7575974a

1970640714 has 96 divisors (see below), whose sum is σ = 4816903680. Its totient is φ = 526378752.

The previous prime is 1970640703. The next prime is 1970640719. The reversal of 1970640714 is 4170460791.

It is not an unprimeable number, because it can be changed into a prime (1970640719) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2172249 + ... + 2173155.

It is an arithmetic number, because the mean of its divisors is an integer number (50176080).

Almost surely, 21970640714 is an apocalyptic number.

1970640714 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1970640714, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2408451840).

1970640714 is an abundant number, since it is smaller than the sum of its proper divisors (2846262966).

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

1970640714 is a wasteful number, since it uses less digits than its factorization.

1970640714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132 (or 1115 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 1970640714 is about 44391.8991934339. The cubic root of 1970640714 is about 1253.7255707200.

The spelling of 1970640714 in words is "one billion, nine hundred seventy million, six hundred forty thousand, seven hundred fourteen".

Divisors: 1 2 3 6 7 14 17 21 34 42 51 102 119 179 238 289 357 358 537 578 714 867 907 1074 1253 1734 1814 2023 2506 2721 3043 3759 4046 5442 6069 6086 6349 7518 9129 12138 12698 15419 18258 19047 21301 30838 38094 42602 46257 51731 63903 92514 103462 107933 127806 155193 162353 215866 262123 310386 323799 324706 362117 487059 524246 647598 724234 786369 974118 1086351 1136471 1572738 1834861 2172702 2272942 2760001 3409413 3669722 5504583 5520002 6818826 8280003 11009166 16560006 19320007 38640014 46920017 57960021 93840034 115920042 140760051 281520102 328440119 656880238 985320357 1970640714