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78468440474370 = 23588071070927733
BaseRepresentation
bin10001110101110111011011…
…100001010100001100000010
3101021211111202112101212112210
4101311313123201110030002
540241111331230134440
6434515523124402550
722346105051005062
oct2165673341241402
9337744675355483
1078468440474370
1123003307a86071
128973861b46456
1334a270824c4bb
141553c6db233a2
15911226aada80
hex475ddb854302

78468440474370 has 64 divisors (see below), whose sum is σ = 188370020240640. Its totient is φ = 20919833426688.

The previous prime is 78468440474267. The next prime is 78468440474371. The reversal of 78468440474370 is 7347404486487.

It is not an unprimeable number, because it can be changed into a prime (78468440474371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2829411024 + ... + 2829438756.

It is an arithmetic number, because the mean of its divisors is an integer number (2943281566260).

Almost surely, 278468440474370 is an apocalyptic number.

78468440474370 is an abundant number, since it is smaller than the sum of its proper divisors (109901579766270).

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

78468440474370 is a wasteful number, since it uses less digits than its factorization.

78468440474370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47259.

The product of its (nonzero) digits is 404619264, while the sum is 66.

The spelling of 78468440474370 in words is "seventy-eight trillion, four hundred sixty-eight billion, four hundred forty million, four hundred seventy-four thousand, three hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 8807 10709 17614 21418 26421 27733 32127 44035 52842 53545 55466 64254 83199 88070 107090 132105 138665 160635 166398 264210 277330 321270 415995 831990 94314163 188628326 244244531 282942489 296992697 471570815 488489062 565884978 593985394 732733593 890978091 943141630 1221222655 1414712445 1465467186 1484963485 1781956182 2442445310 2829424890 2969926970 3663667965 4454890455 7327335930 8909780910 2615614682479 5231229364958 7846844047437 13078073412395 15693688094874 26156146824790 39234220237185 78468440474370