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1207132480 = 26515832383
BaseRepresentation
bin100011111110011…
…0110000101000000
310010010102200110101
41013330312011000
54433011214410
6315441012144
741625312451
oct10774660500
93103380411
101207132480
1156a438554
12298324054
13163120a98
14b6469128
1570e98d3a
hex47f36140

1207132480 has 56 divisors (see below), whose sum is σ = 2877507072. Its totient is φ = 482345472.

The previous prime is 1207132463. The next prime is 1207132489. The reversal of 1207132480 is 842317021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1207132489) 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, 505369 + ... + 507751.

Almost surely, 21207132480 is an apocalyptic number.

1207132480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1207132480 is an abundant number, since it is smaller than the sum of its proper divisors (1670374592).

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

1207132480 is a wasteful number, since it uses less digits than its factorization.

1207132480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3983 (or 3973 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 1207132480 is about 34743.8121109357. The cubic root of 1207132480 is about 1064.7597980036.

It can be divided in two parts, 12071 and 32480, that added together give a triangular number (44551 = T298).

The spelling of 1207132480 in words is "one billion, two hundred seven million, one hundred thirty-two thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 1583 2383 3166 4766 6332 7915 9532 11915 12664 15830 19064 23830 25328 31660 38128 47660 50656 63320 76256 95320 101312 126640 152512 190640 253280 381280 506560 762560 3772289 7544578 15089156 18861445 30178312 37722890 60356624 75445780 120713248 150891560 241426496 301783120 603566240 1207132480