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85874437730 = 25531673372879
BaseRepresentation
bin100111111111010000…
…0111110111001100010
322012122201220102121202
41033332200332321202
52401332324001410
6103241123121202
76130022451134
oct1177640767142
9265581812552
1085874437730
11334679770a4
1214787213202
1381371a9c83
144229021054
1523790a2ca5
hex13fe83ee62

85874437730 has 64 divisors (see below), whose sum is σ = 158958858240. Its totient is φ = 33388852224.

The previous prime is 85874437723. The next prime is 85874437739. The reversal of 85874437730 is 3773447858.

It is not an unprimeable number, because it can be changed into a prime (85874437739) 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, 29826431 + ... + 29829309.

It is an arithmetic number, because the mean of its divisors is an integer number (2483732160).

Almost surely, 285874437730 is an apocalyptic number.

85874437730 is a deficient number, since it is larger than the sum of its proper divisors (73084420510).

85874437730 is a wasteful number, since it uses less digits than its factorization.

85874437730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3443.

The product of its (nonzero) digits is 15805440, while the sum is 56.

The spelling of 85874437730 in words is "eighty-five billion, eight hundred seventy-four million, four hundred thirty-seven thousand, seven hundred thirty".

Divisors: 1 2 5 10 53 106 167 265 334 337 530 674 835 1670 1685 2879 3370 5758 8851 14395 17702 17861 28790 35722 44255 56279 88510 89305 112558 152587 178610 281395 305174 480793 562790 762935 961586 970223 1525870 1940446 2403965 2982787 4807930 4851115 5965574 9702230 14913935 25482029 29827870 50964058 51421819 102843638 127410145 162027241 254820290 257109095 324054482 514218190 810136205 1620272410 8587443773 17174887546 42937218865 85874437730