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38348554030 = 2531223554731
BaseRepresentation
bin100011101101110000…
…000111111100101110
310122222120120101111221
4203231300013330232
51112014212212110
625341142333554
72525212221343
oct435560077456
9118876511457
1038348554030
1115299839266
127522a2a2ba
133801ba61b7
141bdb1247ca
15ee6a247da
hex8edc07f2e

38348554030 has 32 divisors (see below), whose sum is σ = 71573741568. Its totient is φ = 14778007200.

The previous prime is 38348554021. The next prime is 38348554033. The reversal of 38348554030 is 3045584383.

It is a super-2 number, since 2×383485540302 (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38348554033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208236 + ... + 346495.

It is an arithmetic number, because the mean of its divisors is an integer number (2236679424).

Almost surely, 238348554030 is an apocalyptic number.

38348554030 is a deficient number, since it is larger than the sum of its proper divisors (33225187538).

38348554030 is a wasteful number, since it uses less digits than its factorization.

38348554030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554992.

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 38348554030 in words is "thirty-eight billion, three hundred forty-eight million, five hundred fifty-four thousand, thirty".

Divisors: 1 2 5 10 31 62 155 223 310 446 1115 2230 6913 13826 34565 69130 554731 1109462 2773655 5547310 17196661 34393322 85983305 123705013 171966610 247410026 618525065 1237050130 3834855403 7669710806 19174277015 38348554030