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1078930928656 = 2472370972
BaseRepresentation
bin11111011001101010100…
…10110111010000010000
310211010220112220001022001
433230311102313100100
5120134122304204111
62143353134123344
7140643625401400
oct17546522672020
93733815801261
101078930928656
11386632421939
1215512b950554
137a986a8b559
143a313214800
151d0eae5d1c1
hexfb354b7410

1078930928656 has 45 divisors (see below), whose sum is σ = 2431788703869. Its totient is φ = 462386504832.

The previous prime is 1078930928641. The next prime is 1078930928657. The reversal of 1078930928656 is 6568290398701.

The square root of 1078930928656 is 1038716.

It is a perfect power (a square), and thus also a powerful number.

1078930928656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 218518851600 + 860412077056 = 467460^2 + 927584^2 .

It is not an unprimeable number, because it can be changed into a prime (1078930928657) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 29065500 + ... + 29102596.

Almost surely, 21078930928656 is an apocalyptic number.

1078930928656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1078930928656 is the 1038716-th square number.

It is an amenable number.

1078930928656 is an abundant number, since it is smaller than the sum of its proper divisors (1352857775213).

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

1078930928656 is an frugal number, since it uses more digits than its factorization.

1078930928656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74216 (or 37106 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 64.

Multiplying 1078930928656 by its sum of digits (64), we get a square (69051579433984 = 83097282).

The spelling of 1078930928656 in words is "one trillion, seventy-eight billion, nine hundred thirty million, nine hundred twenty-eight thousand, six hundred fifty-six".

Divisors: 1 2 4 7 8 14 16 28 49 56 98 112 196 392 784 37097 74194 148388 259679 296776 519358 593552 1038716 1817753 2077432 3635506 4154864 7271012 14542024 29084048 1376187409 2752374818 5504749636 9633311863 11009499272 19266623726 22018998544 38533247452 67433183041 77066494904 134866366082 154132989808 269732732164 539465464328 1078930928656