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1077975607818 = 231573881294859
BaseRepresentation
bin11111010111111000101…
…10100110101000001010
310211001102222021201110210
433223330112212220022
5120130143223422233
62143114250221550
7140611145324424
oct17537426465012
93731388251423
101077975607818
1138619214518a
12154b03a248b6
137a863b95955
143a2623b7814
151d092155163
hexfafc5a6a0a

1077975607818 has 32 divisors (see below), whose sum is σ = 2170249801920. Its totient is φ = 356943300480.

The previous prime is 1077975607817. The next prime is 1077975607829. The reversal of 1077975607818 is 8187065797701.

It is a super-5 number, since 5×10779756078185 (a number of 61 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1077975607811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3508473 + ... + 3803331.

It is an arithmetic number, because the mean of its divisors is an integer number (67820306310).

Almost surely, 21077975607818 is an apocalyptic number.

1077975607818 is an abundant number, since it is smaller than the sum of its proper divisors (1092274194102).

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

1077975607818 is a wasteful number, since it uses less digits than its factorization.

1077975607818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298902.

The product of its (nonzero) digits is 41489280, while the sum is 66.

The spelling of 1077975607818 in words is "one trillion, seventy-seven billion, nine hundred seventy-five million, six hundred seven thousand, eight hundred eighteen".

Divisors: 1 2 3 6 157 314 471 942 3881 7762 11643 23286 294859 589718 609317 884577 1218634 1769154 1827951 3655902 46292863 92585726 138878589 277757178 1144347779 2288695558 3433043337 6866086674 179662601303 359325202606 538987803909 1077975607818