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20734706030 = 25171932572459
BaseRepresentation
bin10011010011111000…
…101000000101101110
31222112001000012110012
4103103320220011232
5314431041043110
613305252413222
71332553043663
oct232370500556
958461005405
1020734706030
118880223595
124028017212
131c5597902c
141009ad5a6a
158154e6905
hex4d3e2816e

20734706030 has 64 divisors (see below), whose sum is σ = 39893446080. Its totient is φ = 7732199424.

The previous prime is 20734706009. The next prime is 20734706059. The reversal of 20734706030 is 3060743702.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 8430941 + ... + 8433399.

It is an arithmetic number, because the mean of its divisors is an integer number (623335095).

Almost surely, 220734706030 is an apocalyptic number.

20734706030 is a deficient number, since it is larger than the sum of its proper divisors (19158740050).

20734706030 is a wasteful number, since it uses less digits than its factorization.

20734706030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2933.

The product of its (nonzero) digits is 21168, while the sum is 32.

The spelling of 20734706030 in words is "twenty billion, seven hundred thirty-four million, seven hundred six thousand, thirty".

Divisors: 1 2 5 10 17 34 85 170 193 257 386 514 965 1285 1930 2459 2570 3281 4369 4918 6562 8738 12295 16405 21845 24590 32810 41803 43690 49601 83606 99202 209015 248005 418030 474587 496010 631963 843217 949174 1263926 1686434 2372935 3159815 4216085 4745870 6319630 8067979 8432170 10743371 16135958 21486742 40339895 53716855 80679790 107433710 121968859 243937718 609844295 1219688590 2073470603 4146941206 10367353015 20734706030