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1201768080 = 243517294551
BaseRepresentation
bin100011110100001…
…1000011010010000
310002202100010212220
41013220120122100
54430123034310
6315130021040
741531601012
oct10750303220
93082303786
101201768080
11567404167
12296577780
13161c93196
14b58701b2
1570789670
hex47a18690

1201768080 has 80 divisors (see below), whose sum is σ = 3944640384. Its totient is φ = 301619200.

The previous prime is 1201768067. The next prime is 1201768093. The reversal of 1201768080 is 808671021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1201768067) and next prime (1201768093).

It is a tau number, because it is divible by the number of its divisors (80).

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, 143196 + ... + 151355.

Almost surely, 21201768080 is an apocalyptic number.

1201768080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201768080 is an abundant number, since it is smaller than the sum of its proper divisors (2742872304).

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

1201768080 is a wasteful number, since it uses less digits than its factorization.

1201768080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294584 (or 294578 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 1201768080 is about 34666.5267945896. The cubic root of 1201768080 is about 1063.1802201116.

The spelling of 1201768080 in words is "one billion, two hundred one million, seven hundred sixty-eight thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 34 40 48 51 60 68 80 85 102 120 136 170 204 240 255 272 340 408 510 680 816 1020 1360 2040 4080 294551 589102 883653 1178204 1472755 1767306 2356408 2945510 3534612 4418265 4712816 5007367 5891020 7069224 8836530 10014734 11782040 14138448 15022101 17673060 20029468 23564080 25036835 30044202 35346120 40058936 50073670 60088404 70692240 75110505 80117872 100147340 120176808 150221010 200294680 240353616 300442020 400589360 600884040 1201768080