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980787068 = 221923561091
BaseRepresentation
bin111010011101011…
…001111101111100
32112100112010220222
4322131121331330
54002040141233
6241153400512
733206360342
oct7235317574
92470463828
10980787068
114636a0928
12234569138
131282710a1
1494389992
155b188898
hex3a759f7c

980787068 has 24 divisors (see below), whose sum is σ = 1885269120. Its totient is φ = 444383280.

The previous prime is 980787061. The next prime is 980787107. The reversal of 980787068 is 860787089.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980787061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278798 + ... + 282293.

It is an arithmetic number, because the mean of its divisors is an integer number (78552880).

Almost surely, 2980787068 is an apocalyptic number.

It is an amenable number.

980787068 is a deficient number, since it is larger than the sum of its proper divisors (904482052).

980787068 is a wasteful number, since it uses less digits than its factorization.

980787068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561137 (or 561135 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 53.

The square root of 980787068 is about 31317.5201444814. The cubic root of 980787068 is about 993.5542306604.

The spelling of 980787068 in words is "nine hundred eighty million, seven hundred eighty-seven thousand, sixty-eight".

Divisors: 1 2 4 19 23 38 46 76 92 437 874 1748 561091 1122182 2244364 10660729 12905093 21321458 25810186 42642916 51620372 245196767 490393534 980787068