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23018809473852 = 22331531607726521
BaseRepresentation
bin1010011101111011110111…
…11101100011101100111100
310000111120120102002001111120
411032331323331203230330
511004120010211130402
6120542410045550540
74564024362123123
oct516757375435474
9100446512061446
1023018809473852
117375249937925
1226b9248875450
13cac88396330a
1459818b294aba
1529db8aa7c3bc
hex14ef7bf63b3c

23018809473852 has 96 divisors (see below), whose sum is σ = 56524481040384. Its totient is φ = 7280776588800.

The previous prime is 23018809473839. The next prime is 23018809473893. The reversal of 23018809473852 is 25837490881032.

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, 31320352 + ... + 32046872.

It is an arithmetic number, because the mean of its divisors is an integer number (588796677504).

Almost surely, 223018809473852 is an apocalyptic number.

It is an amenable number.

23018809473852 is an abundant number, since it is smaller than the sum of its proper divisors (33505671566532).

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

23018809473852 is a wasteful number, since it uses less digits than its factorization.

23018809473852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728219 (or 728217 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 60.

The spelling of 23018809473852 in words is "twenty-three trillion, eighteen billion, eight hundred nine million, four hundred seventy-three thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 12 31 53 62 93 106 124 159 186 212 318 372 636 1607 1643 3214 3286 4821 4929 6428 6572 9642 9858 19284 19716 49817 85171 99634 149451 170342 199268 255513 298902 340684 511026 597804 726521 1022052 1453042 2179563 2640301 2906084 4359126 5280602 7920903 8718252 10561204 15841806 22522151 31683612 38505613 45044302 67566453 77011226 90088604 115516839 135132906 154022452 231033678 270265812 462067356 1167519247 1193674003 2335038494 2387348006 3502557741 3581022009 4670076988 4774696012 7005115482 7162044018 14010230964 14324088036 36193096657 61878520091 72386193314 108579289971 123757040182 144772386628 185635560273 217158579942 247514080364 371271120546 434317159884 742542241092 1918234122821 3836468245642 5754702368463 7672936491284 11509404736926 23018809473852