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3750130215 = 32513172913003
BaseRepresentation
bin1101111110000110…
…0111001000100111
3100200100112100112200
43133201213020213
530140013131330
61420042145543
7161634403146
oct33741471047
910610470480
103750130215
11165493a377
12887ab22b3
13479c26380
142780ad75d
1516e369a60
hexdf867227

3750130215 has 96 divisors (see below), whose sum is σ = 7668198720. Its totient is φ = 1677570048.

The previous prime is 3750130177. The next prime is 3750130217. The reversal of 3750130215 is 5120310573.

It is not a de Polignac number, because 3750130215 - 220 = 3749081639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3750130217) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 281904 + ... + 294906.

It is an arithmetic number, because the mean of its divisors is an integer number (79877070).

Almost surely, 23750130215 is an apocalyptic number.

3750130215 is an abundant number, since it is smaller than the sum of its proper divisors (3918068505).

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

3750130215 is a wasteful number, since it uses less digits than its factorization.

3750130215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13073 (or 13070 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 3750130215 is about 61238.3067613728. The cubic root of 3750130215 is about 1553.6342353590.

Adding to 3750130215 its reverse (5120310573), we get a palindrome (8870440788).

The spelling of 3750130215 in words is "three billion, seven hundred fifty million, one hundred thirty thousand, two hundred fifteen".

Divisors: 1 3 5 9 13 15 17 29 39 45 51 65 85 87 117 145 153 195 221 255 261 377 435 493 585 663 765 1105 1131 1305 1479 1885 1989 2465 3315 3393 4437 5655 6409 7395 9945 13003 16965 19227 22185 32045 39009 57681 65015 96135 117027 169039 195045 221051 288405 377087 507117 585135 663153 845195 1105255 1131261 1521351 1885435 1989459 2535585 2873663 3315765 3393783 4902131 5656305 6410479 7606755 8620989 9947295 14368315 14706393 16968915 19231437 24510655 25862967 32052395 43104945 44119179 57694311 73531965 83336227 96157185 129314835 220595895 250008681 288471555 416681135 750026043 1250043405 3750130215