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38749725909370 = 2574145031335497
BaseRepresentation
bin10001100111110000111111…
…01001011110000101111010
312002012102211000122111001101
420303320133221132011322
520034333414313044440
6214225213415242014
711106401221445620
oct1063703751360572
9162172730574041
1038749725909370
111138a737088653
124419b5897930a
131881111514348
1497d6d50b3510
15472e8159969a
hex233e1fa5e17a

38749725909370 has 32 divisors (see below), whose sum is σ = 79713973870848. Its totient is φ = 13285578311808.

The previous prime is 38749725909361. The next prime is 38749725909421. The reversal of 38749725909370 is 7390952794783.

It is a junction number, because it is equal to n+sod(n) for n = 38749725909293 and 38749725909302.

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, 28347462 + ... + 29682958.

It is an arithmetic number, because the mean of its divisors is an integer number (2491061683464).

Almost surely, 238749725909370 is an apocalyptic number.

38749725909370 is an abundant number, since it is smaller than the sum of its proper divisors (40964247961478).

38749725909370 is a wasteful number, since it uses less digits than its factorization.

38749725909370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750014.

The product of its (nonzero) digits is 720135360, while the sum is 73.

The spelling of 38749725909370 in words is "thirty-eight trillion, seven hundred forty-nine billion, seven hundred twenty-five million, nine hundred nine thousand, three hundred seventy".

Divisors: 1 2 5 7 10 14 35 70 414503 829006 1335497 2072515 2670994 2901521 4145030 5803042 6677485 9348479 13354970 14507605 18696958 29015210 46742395 93484790 553567512991 1107135025982 2767837564955 3874972590937 5535675129910 7749945181874 19374862954685 38749725909370