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269860997940 = 223518190727397
BaseRepresentation
bin1111101101010011111…
…0000000101100110100
3221210120002002002101120
43323110332000230310
513410133403413230
6323550013423540
725332256430562
oct3732476005464
9853502062346
10269860997940
11a44a1552a36
1244373a9abb0
131c5a8a18791
14d0c0472a32
157046779310
hex3ed4f80b34

269860997940 has 96 divisors (see below), whose sum is σ = 760650893184. Its totient is φ = 71483834880.

The previous prime is 269860997909. The next prime is 269860997957. The reversal of 269860997940 is 49799068962.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9836322 + ... + 9863718.

It is an arithmetic number, because the mean of its divisors is an integer number (7923446804).

Almost surely, 2269860997940 is an apocalyptic number.

269860997940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

269860997940 is an abundant number, since it is smaller than the sum of its proper divisors (490789895244).

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

269860997940 is a wasteful number, since it uses less digits than its factorization.

269860997940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28497 (or 28495 counting only the distinct ones).

The product of its (nonzero) digits is 105815808, while the sum is 69.

The spelling of 269860997940 in words is "two hundred sixty-nine billion, eight hundred sixty million, nine hundred ninety-seven thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 181 362 543 724 905 907 1086 1810 1814 2172 2715 2721 3620 3628 4535 5430 5442 9070 10860 10884 13605 18140 27210 27397 54420 54794 82191 109588 136985 164167 164382 273970 328334 328764 410955 492501 547940 656668 820835 821910 985002 1641670 1643820 1970004 2462505 3283340 4925010 4958857 9850020 9917714 14876571 19835428 24794285 24849079 29753142 49588570 49698158 59506284 74382855 74547237 99177140 99396316 124245395 148765710 149094474 248490790 297531420 298188948 372736185 496981580 745472370 1490944740 4497683299 8995366598 13493049897 17990733196 22488416495 26986099794 44976832990 53972199588 67465249485 89953665980 134930498970 269860997940