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42009388390024 = 231129109151021643
BaseRepresentation
bin10011000110101000100101…
…01011000001011010001000
312111202001120111200111020121
421203110102223001122020
521001240211411440044
6225202502511033024
711564035543411216
oct1143242253013210
9174661514614217
1042009388390024
1112427099622280
12486584b20b774
131a59611bb70b3
14a5339dba1cb6
154ccb62044984
hex263512ac1688

42009388390024 has 64 divisors (see below), whose sum is σ = 89706856536000. Its totient is φ = 18267577816320.

The previous prime is 42009388390007. The next prime is 42009388390159.

42009388390024 is nontrivially palindromic in base 10.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

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, 75232654 + ... + 75788989.

It is an arithmetic number, because the mean of its divisors is an integer number (1401669633375).

Almost surely, 242009388390024 is an apocalyptic number.

42009388390024 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42009388390024 is an abundant number, since it is smaller than the sum of its proper divisors (47697468145976).

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

42009388390024 is a wasteful number, since it uses less digits than its factorization.

42009388390024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151021798 (or 151021794 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 52.

The spelling of 42009388390024 in words is "forty-two trillion, nine billion, three hundred eighty-eight million, three hundred ninety thousand, twenty-four".

Divisors: 1 2 4 8 11 22 29 44 58 88 109 116 218 232 319 436 638 872 1199 1276 2398 2552 3161 4796 6322 9592 12644 25288 34771 69542 139084 278168 151021643 302043286 604086572 1208173144 1661238073 3322476146 4379627647 6644952292 8759255294 13289904584 16461359087 17518510588 32922718174 35037021176 48175904117 65845436348 96351808234 131690872696 181074949957 192703616468 362149899914 385407232936 477379413523 724299799828 954758827046 1448599599656 1909517654092 3819035308184 5251173548753 10502347097506 21004694195012 42009388390024