Search a number
-
+
1012210031998 = 2112343263176887
BaseRepresentation
bin11101011101011000110…
…10110101110101111110
310120202200122202022120101
432232230122311311332
5113041001232010443
62053000341511314
7133062336211654
oct16565432656576
93522618668511
101012210031998
113603041a1730
1214420b11253a
13745b2aba949
1436dc3cd8dd4
151b4e367384d
hexebac6b5d7e

1012210031998 has 64 divisors (see below), whose sum is σ = 1775287590912. Its totient is φ = 428219779680.

The previous prime is 1012210031981. The next prime is 1012210032179. The reversal of 1012210031998 is 8991300122101.

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, 5633911 + ... + 5810797.

It is an arithmetic number, because the mean of its divisors is an integer number (27738868608).

Almost surely, 21012210031998 is an apocalyptic number.

1012210031998 is a deficient number, since it is larger than the sum of its proper divisors (763077558914).

1012210031998 is a wasteful number, since it uses less digits than its factorization.

1012210031998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177229.

The product of its (nonzero) digits is 7776, while the sum is 37.

The spelling of 1012210031998 in words is "one trillion, twelve billion, two hundred ten million, thirty-one thousand, nine hundred ninety-eight".

Divisors: 1 2 11 22 23 43 46 86 253 263 473 506 526 946 989 1978 2893 5786 6049 10879 11309 12098 21758 22618 66539 124399 133078 176887 248798 260107 353774 520214 1945757 2861177 3891514 4068401 5722354 7606141 8136802 15212282 44752411 46521281 83667551 89504822 93042562 167335102 174941243 349882486 511734091 1023468182 1069989463 1924353673 2000415083 2139978926 3848707346 4000830166 11769884093 22004565913 23539768186 44009131826 46009546909 92019093818 506105015999 1012210031998