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4021130444212 = 227236331398621
BaseRepresentation
bin111010100000111110000…
…011010011110110110100
3112020102020111100111010001
4322200332003103312310
51011340233343203322
612315140512441044
7563342234551540
oct72407603236664
915212214314101
104021130444212
11131039633a102
1254b3a4549184
1323226375326b
14dc8a380aa20
156e8eb0c2827
hex3a83e0d3db4

4021130444212 has 48 divisors (see below), whose sum is σ = 8392142045952. Its totient is φ = 1648370972160.

The previous prime is 4021130444179. The next prime is 4021130444321. The reversal of 4021130444212 is 2124440311204.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40724262 + ... + 40822882.

It is an arithmetic number, because the mean of its divisors is an integer number (174836292624).

Almost surely, 24021130444212 is an apocalyptic number.

It is an amenable number.

4021130444212 is an abundant number, since it is smaller than the sum of its proper divisors (4371011601740).

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

4021130444212 is a wasteful number, since it uses less digits than its factorization.

4021130444212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161968 (or 161966 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 4021130444212 its reverse (2124440311204), we get a palindrome (6145570755416).

The spelling of 4021130444212 in words is "four trillion, twenty-one billion, one hundred thirty million, four hundred forty-four thousand, two hundred twelve".

Divisors: 1 2 4 7 14 23 28 46 92 161 322 644 63313 98621 126626 197242 253252 394484 443191 690347 886382 1380694 1456199 1772764 2268283 2761388 2912398 4536566 5824796 9073132 10193393 15877981 20386786 31755962 40773572 63511924 6243991373 12487982746 24975965492 43707939611 87415879222 143611801579 174831758444 287223603158 574447206316 1005282611053 2010565222106 4021130444212