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7139369970 = 234523383219
BaseRepresentation
bin1101010011000101…
…00010001111110010
3200102112222120110000
412221202202033302
5104110134314340
63140233250430
7341630433465
oct65142421762
920375876400
107139369970
113033a96367
121472b63a16
1389a152595
144ba2792dc
152bbb98d30
hex1a98a23f2

7139369970 has 80 divisors (see below), whose sum is σ = 20031675840. Its totient is φ = 1821051936.

The previous prime is 7139369953. The next prime is 7139369977. The reversal of 7139369970 is 799639317.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7139369977) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 172980 + ... + 210239.

It is an arithmetic number, because the mean of its divisors is an integer number (250395948).

Almost surely, 27139369970 is an apocalyptic number.

7139369970 is an abundant number, since it is smaller than the sum of its proper divisors (12892305870).

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

7139369970 is a wasteful number, since it uses less digits than its factorization.

7139369970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383261 (or 383252 counting only the distinct ones).

The product of its (nonzero) digits is 1928934, while the sum is 54.

The square root of 7139369970 is about 84494.7925614354. The cubic root of 7139369970 is about 1925.5433307482.

The spelling of 7139369970 in words is "seven billion, one hundred thirty-nine million, three hundred sixty-nine thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 23 27 30 45 46 54 69 81 90 115 135 138 162 207 230 270 345 405 414 621 690 810 1035 1242 1863 2070 3105 3726 6210 9315 18630 383219 766438 1149657 1916095 2299314 3448971 3832190 5748285 6897942 8814037 10346913 11496570 17244855 17628074 20693826 26442111 31040739 34489710 44070185 51734565 52884222 62081478 79326333 88140370 103469130 132210555 155203695 158652666 237978999 264421110 310407390 396631665 475957998 713936997 793263330 1189894995 1427873994 2379789990 3569684985 7139369970