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1128996470 = 25720297949
BaseRepresentation
bin100001101001011…
…0001111001110110
32220200101222000002
41003102301321312
54303010341340
6304010151302
736656211620
oct10322617166
92820358002
101128996470
1152a31a838
12276122532
1314cb93c64
14a9d29c10
15691b2715
hex434b1e76

1128996470 has 32 divisors (see below), whose sum is σ = 2323944000. Its totient is φ = 386845056.

The previous prime is 1128996467. The next prime is 1128996481. The reversal of 1128996470 is 746998211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138056 + ... + 146004.

It is an arithmetic number, because the mean of its divisors is an integer number (72623250).

Almost surely, 21128996470 is an apocalyptic number.

1128996470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1128996470 is an abundant number, since it is smaller than the sum of its proper divisors (1194947530).

1128996470 is a wasteful number, since it uses less digits than its factorization.

1128996470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9992.

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 1128996470 is about 33600.5427039505. The cubic root of 1128996470 is about 1041.2720105240.

The spelling of 1128996470 in words is "one billion, one hundred twenty-eight million, nine hundred ninety-six thousand, four hundred seventy".

Divisors: 1 2 5 7 10 14 35 70 2029 4058 7949 10145 14203 15898 20290 28406 39745 55643 71015 79490 111286 142030 278215 556430 16128521 32257042 80642605 112899647 161285210 225799294 564498235 1128996470