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2857073929970 = 251332216823189
BaseRepresentation
bin101001100100110110111…
…000000110111011110010
3101010010121101122122012212
4221210312320012323302
5333302241411224340
610024304401452122
7413262645464261
oct51446670067362
911103541578185
102857073929970
11a01750827947
123a1878341042
1317956199cc30
149c3d6c285d8
154e4bbbd3a65
hex29936e06ef2

2857073929970 has 32 divisors (see below), whose sum is σ = 5540048181360. Its totient is φ = 1054591937280.

The previous prime is 2857073929937. The next prime is 2857073930003. The reversal of 2857073929970 is 799293707582.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2857073929937) and next prime (2857073930003).

It can be written as a sum of positive squares in 8 ways, for example, as 531500779681 + 2325573150289 = 729041^2 + 1524983^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2857073929970.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2992865 + ... + 3830324.

Almost surely, 22857073929970 is an apocalyptic number.

2857073929970 is a deficient number, since it is larger than the sum of its proper divisors (2682974251390).

2857073929970 is a wasteful number, since it uses less digits than its factorization.

2857073929970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6826430.

The product of its (nonzero) digits is 120022560, while the sum is 68.

The spelling of 2857073929970 in words is "two trillion, eight hundred fifty-seven billion, seventy-three million, nine hundred twenty-nine thousand, nine hundred seventy".

Divisors: 1 2 5 10 13 26 65 130 3221 6442 16105 32210 41873 83746 209365 418730 6823189 13646378 34115945 68231890 88701457 177402914 443507285 887014570 21977491769 43954983538 109887458845 219774917690 285707392997 571414785994 1428536964985 2857073929970