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63742157900 = 22521722205611
BaseRepresentation
bin111011010111010101…
…000010010001001100
320002112022010010022222
4323113111002101030
52021020443023100
645141023354512
74414406255021
oct732725022114
9202468103288
1063742157900
112503a871743
121042b152a38
13601ab218c5
143129889548
1519d1045485
hexed754244c

63742157900 has 54 divisors (see below), whose sum is σ = 146935665828. Its totient is φ = 23997036800.

The previous prime is 63742157893. The next prime is 63742157929. The reversal of 63742157900 is 975124736.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1073906 + ... + 1131705.

Almost surely, 263742157900 is an apocalyptic number.

It is an amenable number.

63742157900 is an abundant number, since it is smaller than the sum of its proper divisors (83193507928).

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

63742157900 is a wasteful number, since it uses less digits than its factorization.

63742157900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2205659 (or 2205635 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 44.

The spelling of 63742157900 in words is "sixty-three billion, seven hundred forty-two million, one hundred fifty-seven thousand, nine hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 85 100 170 289 340 425 578 850 1156 1445 1700 2890 5780 7225 14450 28900 2205611 4411222 8822444 11028055 22056110 37495387 44112220 55140275 74990774 110280550 149981548 187476935 220561100 374953870 637421579 749907740 937384675 1274843158 1874769350 2549686316 3187107895 3749538700 6374215790 12748431580 15935539475 31871078950 63742157900