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5213972180 = 225607429487
BaseRepresentation
bin1001101101100011…
…01110011011010100
3111110101000020012202
410312301232123110
541134234102210
62221213304032
7243131014034
oct46661563324
914411006182
105213972180
11223617351a
121016195018
13651298751
1437667d8c4
15207b209a5
hex136c6e6d4

5213972180 has 24 divisors (see below), whose sum is σ = 10967405568. Its totient is φ = 2082148128.

The previous prime is 5213972171. The next prime is 5213972209. The reversal of 5213972180 is 812793125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202604 + ... + 226883.

It is an arithmetic number, because the mean of its divisors is an integer number (456975232).

Almost surely, 25213972180 is an apocalyptic number.

It is an amenable number.

5213972180 is an abundant number, since it is smaller than the sum of its proper divisors (5753433388).

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

5213972180 is a wasteful number, since it uses less digits than its factorization.

5213972180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430103 (or 430101 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 5213972180 is about 72207.8401560385. The cubic root of 5213972180 is about 1734.0285215216.

The spelling of 5213972180 in words is "five billion, two hundred thirteen million, nine hundred seventy-two thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 607 1214 2428 3035 6070 12140 429487 858974 1717948 2147435 4294870 8589740 260698609 521397218 1042794436 1303493045 2606986090 5213972180