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23151545103442 = 2729107887600823
BaseRepresentation
bin1010100001110011000111…
…00111110011010001010010
310000222021011222120200102211
411100321203213303101102
511013303331021302232
6121123401211102334
74606433604300010
oct520714347632122
9100867158520384
1023151545103442
117416573718a58
12271ab117419aa
13cbc248517a82
145a077dbc98b0
152a2358b62a47
hex150e639f3452

23151545103442 has 64 divisors (see below), whose sum is σ = 41487425925120. Its totient is φ = 9479702223936.

The previous prime is 23151545103439. The next prime is 23151545103451. The reversal of 23151545103442 is 24430154515132.

It is a junction number, because it is equal to n+sod(n) for n = 23151545103395 and 23151545103404.

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, 38232643 + ... + 38833465.

It is an arithmetic number, because the mean of its divisors is an integer number (648241030080).

Almost surely, 223151545103442 is an apocalyptic number.

23151545103442 is a deficient number, since it is larger than the sum of its proper divisors (18335880821678).

23151545103442 is a wasteful number, since it uses less digits than its factorization.

23151545103442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601855.

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 23151545103442 its reverse (24430154515132), we get a palindrome (47581699618574).

The spelling of 23151545103442 in words is "twenty-three trillion, one hundred fifty-one billion, five hundred forty-five million, one hundred three thousand, four hundred forty-two".

Divisors: 1 2 7 14 29 58 107 203 214 406 749 887 1498 1774 3103 6206 6209 12418 21721 25723 43442 51446 94909 180061 189818 360122 600823 664363 1201646 1328726 2752361 4205761 5504722 8411522 17423867 19266527 34847734 38533054 64288061 121967069 128576122 243934138 450016427 532930001 900032854 1065860002 1864353769 3728707538 3730510007 7461020014 13050476383 15454970029 26100952766 30909940058 57023510107 108184790203 114047020214 216369580406 399164570749 798329141498 1653681793103 3307363586206 11575772551721 23151545103442